Home / 10,139.52-15,209.46-4,295.04

Finding the Fourth Proportional to 10,139.52, 15,209.46 and 4,295.04

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Solution

The fourth proportional to 10,139.52, 15,209.46 and 4,295.04 is: 6,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.52 : 15,209.46 = 4,295.04 : x
  2. Step 2: Convert to fraction form
    10,139.52/15,209.46 = 4,295.04/x
  3. Step 3: Cross multiply
    10,139.52x = 15,209.46 × 4,295.04
  4. Step 4: Simplify right side
    10,139.52x = 65,325,239.08
  5. Step 5: Solve for x
    x = 65,325,239.08/10,139.52
  6. Step 6: Final answer
    x = 6,442.64

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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.