Home / 16,491.34-22,758.13-8,937.68

Finding the Fourth Proportional to 16,491.34, 22,758.13 and 8,937.68

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Solution

The fourth proportional to 16,491.34, 22,758.13 and 8,937.68 is: 12,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.34 : 22,758.13 = 8,937.68 : x
  2. Step 2: Convert to fraction form
    16,491.34/22,758.13 = 8,937.68/x
  3. Step 3: Cross multiply
    16,491.34x = 22,758.13 × 8,937.68
  4. Step 4: Simplify right side
    16,491.34x = 203,404,883.34
  5. Step 5: Solve for x
    x = 203,404,883.34/16,491.34
  6. Step 6: Final answer
    x = 12,334.04

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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.