Home / 19,654.89-27,123.75-10,702.39

Finding the Fourth Proportional to 19,654.89, 27,123.75 and 10,702.39

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Solution

The fourth proportional to 19,654.89, 27,123.75 and 10,702.39 is: 14,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.89 : 27,123.75 = 10,702.39 : x
  2. Step 2: Convert to fraction form
    19,654.89/27,123.75 = 10,702.39/x
  3. Step 3: Cross multiply
    19,654.89x = 27,123.75 × 10,702.39
  4. Step 4: Simplify right side
    19,654.89x = 290,288,950.76
  5. Step 5: Solve for x
    x = 290,288,950.76/19,654.89
  6. Step 6: Final answer
    x = 14,769.30

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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.