Home / 12,952.10-19,428.15-5,555.30

Finding the Fourth Proportional to 12,952.10, 19,428.15 and 5,555.30

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Solution

The fourth proportional to 12,952.10, 19,428.15 and 5,555.30 is: 8,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.10 : 19,428.15 = 5,555.30 : x
  2. Step 2: Convert to fraction form
    12,952.10/19,428.15 = 5,555.30/x
  3. Step 3: Cross multiply
    12,952.10x = 19,428.15 × 5,555.30
  4. Step 4: Simplify right side
    12,952.10x = 107,929,201.70
  5. Step 5: Solve for x
    x = 107,929,201.70/12,952.10
  6. Step 6: Final answer
    x = 8,332.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.