Home / 19,727.46-29,610.09-12,346.74

Finding the Fourth Proportional to 19,727.46, 29,610.09 and 12,346.74

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Solution

The fourth proportional to 19,727.46, 29,610.09 and 12,346.74 is: 18,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.46 : 29,610.09 = 12,346.74 : x
  2. Step 2: Convert to fraction form
    19,727.46/29,610.09 = 12,346.74/x
  3. Step 3: Cross multiply
    19,727.46x = 29,610.09 × 12,346.74
  4. Step 4: Simplify right side
    19,727.46x = 365,588,082.61
  5. Step 5: Solve for x
    x = 365,588,082.61/19,727.46
  6. Step 6: Final answer
    x = 18,531.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.