Home / 16,151.34-22,289.13-8,981.85

Finding the Fourth Proportional to 16,151.34, 22,289.13 and 8,981.85

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Solution

The fourth proportional to 16,151.34, 22,289.13 and 8,981.85 is: 12,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,151.34 : 22,289.13 = 8,981.85 : x
  2. Step 2: Convert to fraction form
    16,151.34/22,289.13 = 8,981.85/x
  3. Step 3: Cross multiply
    16,151.34x = 22,289.13 × 8,981.85
  4. Step 4: Simplify right side
    16,151.34x = 200,197,622.29
  5. Step 5: Solve for x
    x = 200,197,622.29/16,151.34
  6. Step 6: Final answer
    x = 12,395.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.