Home / 10,278.46-15,417.63-2,487.27

Finding the Fourth Proportional to 10,278.46, 15,417.63 and 2,487.27

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Solution

The fourth proportional to 10,278.46, 15,417.63 and 2,487.27 is: 3,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.46 : 15,417.63 = 2,487.27 : x
  2. Step 2: Convert to fraction form
    10,278.46/15,417.63 = 2,487.27/x
  3. Step 3: Cross multiply
    10,278.46x = 15,417.63 × 2,487.27
  4. Step 4: Simplify right side
    10,278.46x = 38,347,808.57
  5. Step 5: Solve for x
    x = 38,347,808.57/10,278.46
  6. Step 6: Final answer
    x = 3,730.89

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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.