Home / 15,159.39-22,732.20-6,389.52

Finding the Fourth Proportional to 15,159.39, 22,732.20 and 6,389.52

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Solution

The fourth proportional to 15,159.39, 22,732.20 and 6,389.52 is: 9,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.39 : 22,732.20 = 6,389.52 : x
  2. Step 2: Convert to fraction form
    15,159.39/22,732.20 = 6,389.52/x
  3. Step 3: Cross multiply
    15,159.39x = 22,732.20 × 6,389.52
  4. Step 4: Simplify right side
    15,159.39x = 145,247,846.54
  5. Step 5: Solve for x
    x = 145,247,846.54/15,159.39
  6. Step 6: Final answer
    x = 9,581.38

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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.