Home / 10,312.31-15,468.77-2,521.13

Finding the Fourth Proportional to 10,312.31, 15,468.77 and 2,521.13

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Solution

The fourth proportional to 10,312.31, 15,468.77 and 2,521.13 is: 3,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.31 : 15,468.77 = 2,521.13 : x
  2. Step 2: Convert to fraction form
    10,312.31/15,468.77 = 2,521.13/x
  3. Step 3: Cross multiply
    10,312.31x = 15,468.77 × 2,521.13
  4. Step 4: Simplify right side
    10,312.31x = 38,998,709.07
  5. Step 5: Solve for x
    x = 38,998,709.07/10,312.31
  6. Step 6: Final answer
    x = 3,781.76

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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.