Home / 19,618.12-27,072.74-10,665.92

Finding the Fourth Proportional to 19,618.12, 27,072.74 and 10,665.92

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Solution

The fourth proportional to 19,618.12, 27,072.74 and 10,665.92 is: 14,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.12 : 27,072.74 = 10,665.92 : x
  2. Step 2: Convert to fraction form
    19,618.12/27,072.74 = 10,665.92/x
  3. Step 3: Cross multiply
    19,618.12x = 27,072.74 × 10,665.92
  4. Step 4: Simplify right side
    19,618.12x = 288,755,679.02
  5. Step 5: Solve for x
    x = 288,755,679.02/19,618.12
  6. Step 6: Final answer
    x = 14,718.83

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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.