Home / 20,261.80-27,973.92-13,095.46

Finding the Fourth Proportional to 20,261.80, 27,973.92 and 13,095.46

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Solution

The fourth proportional to 20,261.80, 27,973.92 and 13,095.46 is: 18,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.80 : 27,973.92 = 13,095.46 : x
  2. Step 2: Convert to fraction form
    20,261.80/27,973.92 = 13,095.46/x
  3. Step 3: Cross multiply
    20,261.80x = 27,973.92 × 13,095.46
  4. Step 4: Simplify right side
    20,261.80x = 366,331,350.40
  5. Step 5: Solve for x
    x = 366,331,350.40/20,261.80
  6. Step 6: Final answer
    x = 18,079.90

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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.