Home / 15,364.01-21,240.39-15,223.88

Finding the Fourth Proportional to 15,364.01, 21,240.39 and 15,223.88

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Solution

The fourth proportional to 15,364.01, 21,240.39 and 15,223.88 is: 21,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.01 : 21,240.39 = 15,223.88 : x
  2. Step 2: Convert to fraction form
    15,364.01/21,240.39 = 15,223.88/x
  3. Step 3: Cross multiply
    15,364.01x = 21,240.39 × 15,223.88
  4. Step 4: Simplify right side
    15,364.01x = 323,361,042.31
  5. Step 5: Solve for x
    x = 323,361,042.31/15,364.01
  6. Step 6: Final answer
    x = 21,046.66

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.