Home / 21,092.98-31,618.80-11,737.48

Finding the Fourth Proportional to 21,092.98, 31,618.80 and 11,737.48

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Solution

The fourth proportional to 21,092.98, 31,618.80 and 11,737.48 is: 17,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.98 : 31,618.80 = 11,737.48 : x
  2. Step 2: Convert to fraction form
    21,092.98/31,618.80 = 11,737.48/x
  3. Step 3: Cross multiply
    21,092.98x = 31,618.80 × 11,737.48
  4. Step 4: Simplify right side
    21,092.98x = 371,125,032.62
  5. Step 5: Solve for x
    x = 371,125,032.62/21,092.98
  6. Step 6: Final answer
    x = 17,594.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.