Home / 16,491.41-22,758.14-8,937.78

Finding the Fourth Proportional to 16,491.41, 22,758.14 and 8,937.78

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Solution

The fourth proportional to 16,491.41, 22,758.14 and 8,937.78 is: 12,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.41 : 22,758.14 = 8,937.78 : x
  2. Step 2: Convert to fraction form
    16,491.41/22,758.14 = 8,937.78/x
  3. Step 3: Cross multiply
    16,491.41x = 22,758.14 × 8,937.78
  4. Step 4: Simplify right side
    16,491.41x = 203,407,203.84
  5. Step 5: Solve for x
    x = 203,407,203.84/16,491.41
  6. Step 6: Final answer
    x = 12,334.13

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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.