Home / 15,524.75-21,423.52-8,451.18

Finding the Fourth Proportional to 15,524.75, 21,423.52 and 8,451.18

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Solution

The fourth proportional to 15,524.75, 21,423.52 and 8,451.18 is: 11,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.75 : 21,423.52 = 8,451.18 : x
  2. Step 2: Convert to fraction form
    15,524.75/21,423.52 = 8,451.18/x
  3. Step 3: Cross multiply
    15,524.75x = 21,423.52 × 8,451.18
  4. Step 4: Simplify right side
    15,524.75x = 181,054,023.75
  5. Step 5: Solve for x
    x = 181,054,023.75/15,524.75
  6. Step 6: Final answer
    x = 11,662.28

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Half scale
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Double scale
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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.