Home / 22,373.66-30,875.68-12,302.76

Finding the Fourth Proportional to 22,373.66, 30,875.68 and 12,302.76

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Solution

The fourth proportional to 22,373.66, 30,875.68 and 12,302.76 is: 16,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.66 : 30,875.68 = 12,302.76 : x
  2. Step 2: Convert to fraction form
    22,373.66/30,875.68 = 12,302.76/x
  3. Step 3: Cross multiply
    22,373.66x = 30,875.68 × 12,302.76
  4. Step 4: Simplify right side
    22,373.66x = 379,856,080.88
  5. Step 5: Solve for x
    x = 379,856,080.88/22,373.66
  6. Step 6: Final answer
    x = 16,977.82

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Half scale
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Double scale
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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.