Home / 34,139.13-51,217.33-9,515.13

Finding the Fourth Proportional to 34,139.13, 51,217.33 and 9,515.13

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Solution

The fourth proportional to 34,139.13, 51,217.33 and 9,515.13 is: 14,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.13 : 51,217.33 = 9,515.13 : x
  2. Step 2: Convert to fraction form
    34,139.13/51,217.33 = 9,515.13/x
  3. Step 3: Cross multiply
    34,139.13x = 51,217.33 × 9,515.13
  4. Step 4: Simplify right side
    34,139.13x = 487,339,297.12
  5. Step 5: Solve for x
    x = 487,339,297.12/34,139.13
  6. Step 6: Final answer
    x = 14,275.10

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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.