Home / 10,294.38-15,438.46-4,371.16

Finding the Fourth Proportional to 10,294.38, 15,438.46 and 4,371.16

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Solution

The fourth proportional to 10,294.38, 15,438.46 and 4,371.16 is: 6,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.38 : 15,438.46 = 4,371.16 : x
  2. Step 2: Convert to fraction form
    10,294.38/15,438.46 = 4,371.16/x
  3. Step 3: Cross multiply
    10,294.38x = 15,438.46 × 4,371.16
  4. Step 4: Simplify right side
    10,294.38x = 67,483,978.81
  5. Step 5: Solve for x
    x = 67,483,978.81/10,294.38
  6. Step 6: Final answer
    x = 6,555.42

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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.