Home / 21,370.38-32,062.86-11,510.66

Finding the Fourth Proportional to 21,370.38, 32,062.86 and 11,510.66

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Solution

The fourth proportional to 21,370.38, 32,062.86 and 11,510.66 is: 17,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.38 : 32,062.86 = 11,510.66 : x
  2. Step 2: Convert to fraction form
    21,370.38/32,062.86 = 11,510.66/x
  3. Step 3: Cross multiply
    21,370.38x = 32,062.86 × 11,510.66
  4. Step 4: Simplify right side
    21,370.38x = 369,064,519.77
  5. Step 5: Solve for x
    x = 369,064,519.77/21,370.38
  6. Step 6: Final answer
    x = 17,269.91

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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.