Home / 19,693.52-27,177.28-10,740.96

Finding the Fourth Proportional to 19,693.52, 27,177.28 and 10,740.96

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Solution

The fourth proportional to 19,693.52, 27,177.28 and 10,740.96 is: 14,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.52 : 27,177.28 = 10,740.96 : x
  2. Step 2: Convert to fraction form
    19,693.52/27,177.28 = 10,740.96/x
  3. Step 3: Cross multiply
    19,693.52x = 27,177.28 × 10,740.96
  4. Step 4: Simplify right side
    19,693.52x = 291,910,077.39
  5. Step 5: Solve for x
    x = 291,910,077.39/19,693.52
  6. Step 6: Final answer
    x = 14,822.65

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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.