Home / 12,060.32-18,008.38-10,642.92

Finding the Fourth Proportional to 12,060.32, 18,008.38 and 10,642.92

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Solution

The fourth proportional to 12,060.32, 18,008.38 and 10,642.92 is: 15,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.32 : 18,008.38 = 10,642.92 : x
  2. Step 2: Convert to fraction form
    12,060.32/18,008.38 = 10,642.92/x
  3. Step 3: Cross multiply
    12,060.32x = 18,008.38 × 10,642.92
  4. Step 4: Simplify right side
    12,060.32x = 191,661,747.67
  5. Step 5: Solve for x
    x = 191,661,747.67/12,060.32
  6. Step 6: Final answer
    x = 15,891.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.