Home / 10,358.60-14,294.84-5,642.87

Finding the Fourth Proportional to 10,358.60, 14,294.84 and 5,642.87

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Solution

The fourth proportional to 10,358.60, 14,294.84 and 5,642.87 is: 7,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.60 : 14,294.84 = 5,642.87 : x
  2. Step 2: Convert to fraction form
    10,358.60/14,294.84 = 5,642.87/x
  3. Step 3: Cross multiply
    10,358.60x = 14,294.84 × 5,642.87
  4. Step 4: Simplify right side
    10,358.60x = 80,663,824.10
  5. Step 5: Solve for x
    x = 80,663,824.10/10,358.60
  6. Step 6: Final answer
    x = 7,787.14

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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.