Home / 19,655.26-27,123.27-10,702.73

Finding the Fourth Proportional to 19,655.26, 27,123.27 and 10,702.73

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Solution

The fourth proportional to 19,655.26, 27,123.27 and 10,702.73 is: 14,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.26 : 27,123.27 = 10,702.73 : x
  2. Step 2: Convert to fraction form
    19,655.26/27,123.27 = 10,702.73/x
  3. Step 3: Cross multiply
    19,655.26x = 27,123.27 × 10,702.73
  4. Step 4: Simplify right side
    19,655.26x = 290,293,035.53
  5. Step 5: Solve for x
    x = 290,293,035.53/19,655.26
  6. Step 6: Final answer
    x = 14,769.23

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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.