Home / 12,010.92-16,574.32-8,031.36

Finding the Fourth Proportional to 12,010.92, 16,574.32 and 8,031.36

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Solution

The fourth proportional to 12,010.92, 16,574.32 and 8,031.36 is: 11,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.92 : 16,574.32 = 8,031.36 : x
  2. Step 2: Convert to fraction form
    12,010.92/16,574.32 = 8,031.36/x
  3. Step 3: Cross multiply
    12,010.92x = 16,574.32 × 8,031.36
  4. Step 4: Simplify right side
    12,010.92x = 133,114,330.68
  5. Step 5: Solve for x
    x = 133,114,330.68/12,010.92
  6. Step 6: Final answer
    x = 11,082.78

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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.