Home / 21,712.71-32,609.19-13,001.16

Finding the Fourth Proportional to 21,712.71, 32,609.19 and 13,001.16

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Solution

The fourth proportional to 21,712.71, 32,609.19 and 13,001.16 is: 19,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.71 : 32,609.19 = 13,001.16 : x
  2. Step 2: Convert to fraction form
    21,712.71/32,609.19 = 13,001.16/x
  3. Step 3: Cross multiply
    21,712.71x = 32,609.19 × 13,001.16
  4. Step 4: Simplify right side
    21,712.71x = 423,957,296.66
  5. Step 5: Solve for x
    x = 423,957,296.66/21,712.71
  6. Step 6: Final answer
    x = 19,525.77

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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.