Home / 15,406.52-21,260.99-8,332.94

Finding the Fourth Proportional to 15,406.52, 21,260.99 and 8,332.94

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Solution

The fourth proportional to 15,406.52, 21,260.99 and 8,332.94 is: 11,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.52 : 21,260.99 = 8,332.94 : x
  2. Step 2: Convert to fraction form
    15,406.52/21,260.99 = 8,332.94/x
  3. Step 3: Cross multiply
    15,406.52x = 21,260.99 × 8,332.94
  4. Step 4: Simplify right side
    15,406.52x = 177,166,508.40
  5. Step 5: Solve for x
    x = 177,166,508.40/15,406.52
  6. Step 6: Final answer
    x = 11,499.45

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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.