Home / 20,104.71-27,726.34-12,551.74

Finding the Fourth Proportional to 20,104.71, 27,726.34 and 12,551.74

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Solution

The fourth proportional to 20,104.71, 27,726.34 and 12,551.74 is: 17,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.71 : 27,726.34 = 12,551.74 : x
  2. Step 2: Convert to fraction form
    20,104.71/27,726.34 = 12,551.74/x
  3. Step 3: Cross multiply
    20,104.71x = 27,726.34 × 12,551.74
  4. Step 4: Simplify right side
    20,104.71x = 348,013,810.83
  5. Step 5: Solve for x
    x = 348,013,810.83/20,104.71
  6. Step 6: Final answer
    x = 17,310.06

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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.