Home / 15,151.10-22,730.49-5,290.56

Finding the Fourth Proportional to 15,151.10, 22,730.49 and 5,290.56

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Solution

The fourth proportional to 15,151.10, 22,730.49 and 5,290.56 is: 7,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.10 : 22,730.49 = 5,290.56 : x
  2. Step 2: Convert to fraction form
    15,151.10/22,730.49 = 5,290.56/x
  3. Step 3: Cross multiply
    15,151.10x = 22,730.49 × 5,290.56
  4. Step 4: Simplify right side
    15,151.10x = 120,257,021.17
  5. Step 5: Solve for x
    x = 120,257,021.17/15,151.10
  6. Step 6: Final answer
    x = 7,937.18

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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.