Home / 10,301.32-15,439.02-7,385.32

Finding the Fourth Proportional to 10,301.32, 15,439.02 and 7,385.32

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Solution

The fourth proportional to 10,301.32, 15,439.02 and 7,385.32 is: 11,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.32 : 15,439.02 = 7,385.32 : x
  2. Step 2: Convert to fraction form
    10,301.32/15,439.02 = 7,385.32/x
  3. Step 3: Cross multiply
    10,301.32x = 15,439.02 × 7,385.32
  4. Step 4: Simplify right side
    10,301.32x = 114,022,103.19
  5. Step 5: Solve for x
    x = 114,022,103.19/10,301.32
  6. Step 6: Final answer
    x = 11,068.69

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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.