Home / 19,663.28-27,135.56-10,710.86

Finding the Fourth Proportional to 19,663.28, 27,135.56 and 10,710.86

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Solution

The fourth proportional to 19,663.28, 27,135.56 and 10,710.86 is: 14,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.28 : 27,135.56 = 10,710.86 : x
  2. Step 2: Convert to fraction form
    19,663.28/27,135.56 = 10,710.86/x
  3. Step 3: Cross multiply
    19,663.28x = 27,135.56 × 10,710.86
  4. Step 4: Simplify right side
    19,663.28x = 290,644,994.95
  5. Step 5: Solve for x
    x = 290,644,994.95/19,663.28
  6. Step 6: Final answer
    x = 14,781.11

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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.