Home / 18,279.58-25,225.85-10,321.87

Finding the Fourth Proportional to 18,279.58, 25,225.85 and 10,321.87

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Solution

The fourth proportional to 18,279.58, 25,225.85 and 10,321.87 is: 14,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.58 : 25,225.85 = 10,321.87 : x
  2. Step 2: Convert to fraction form
    18,279.58/25,225.85 = 10,321.87/x
  3. Step 3: Cross multiply
    18,279.58x = 25,225.85 × 10,321.87
  4. Step 4: Simplify right side
    18,279.58x = 260,377,944.34
  5. Step 5: Solve for x
    x = 260,377,944.34/18,279.58
  6. Step 6: Final answer
    x = 14,244.20

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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.