Home / 10,278.23-15,417.33-2,487.04

Finding the Fourth Proportional to 10,278.23, 15,417.33 and 2,487.04

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Solution

The fourth proportional to 10,278.23, 15,417.33 and 2,487.04 is: 3,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.23 : 15,417.33 = 2,487.04 : x
  2. Step 2: Convert to fraction form
    10,278.23/15,417.33 = 2,487.04/x
  3. Step 3: Cross multiply
    10,278.23x = 15,417.33 × 2,487.04
  4. Step 4: Simplify right side
    10,278.23x = 38,343,477.86
  5. Step 5: Solve for x
    x = 38,343,477.86/10,278.23
  6. Step 6: Final answer
    x = 3,730.55

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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.