Home / 19,663.62-27,135.18-10,710.96

Finding the Fourth Proportional to 19,663.62, 27,135.18 and 10,710.96

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Solution

The fourth proportional to 19,663.62, 27,135.18 and 10,710.96 is: 14,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.62 : 27,135.18 = 10,710.96 : x
  2. Step 2: Convert to fraction form
    19,663.62/27,135.18 = 10,710.96/x
  3. Step 3: Cross multiply
    19,663.62x = 27,135.18 × 10,710.96
  4. Step 4: Simplify right side
    19,663.62x = 290,643,827.57
  5. Step 5: Solve for x
    x = 290,643,827.57/19,663.62
  6. Step 6: Final answer
    x = 14,780.79

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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.