Home / 10,139.24-15,211.20-4,296.08

Finding the Fourth Proportional to 10,139.24, 15,211.20 and 4,296.08

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Solution

The fourth proportional to 10,139.24, 15,211.20 and 4,296.08 is: 6,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.24 : 15,211.20 = 4,296.08 : x
  2. Step 2: Convert to fraction form
    10,139.24/15,211.20 = 4,296.08/x
  3. Step 3: Cross multiply
    10,139.24x = 15,211.20 × 4,296.08
  4. Step 4: Simplify right side
    10,139.24x = 65,348,532.10
  5. Step 5: Solve for x
    x = 65,348,532.10/10,139.24
  6. Step 6: Final answer
    x = 6,445.11

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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.