Home / 18,142.20-25,036.22-10,587.96

Finding the Fourth Proportional to 18,142.20, 25,036.22 and 10,587.96

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Solution

The fourth proportional to 18,142.20, 25,036.22 and 10,587.96 is: 14,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.20 : 25,036.22 = 10,587.96 : x
  2. Step 2: Convert to fraction form
    18,142.20/25,036.22 = 10,587.96/x
  3. Step 3: Cross multiply
    18,142.20x = 25,036.22 × 10,587.96
  4. Step 4: Simplify right side
    18,142.20x = 265,082,495.91
  5. Step 5: Solve for x
    x = 265,082,495.91/18,142.20
  6. Step 6: Final answer
    x = 14,611.38

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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.