Home / 18,237.40-25,168.45-10,279.96

Finding the Fourth Proportional to 18,237.40, 25,168.45 and 10,279.96

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Solution

The fourth proportional to 18,237.40, 25,168.45 and 10,279.96 is: 14,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.40 : 25,168.45 = 10,279.96 : x
  2. Step 2: Convert to fraction form
    18,237.40/25,168.45 = 10,279.96/x
  3. Step 3: Cross multiply
    18,237.40x = 25,168.45 × 10,279.96
  4. Step 4: Simplify right side
    18,237.40x = 258,730,659.26
  5. Step 5: Solve for x
    x = 258,730,659.26/18,237.40
  6. Step 6: Final answer
    x = 14,186.82

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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.