Home / 18,508.30-25,541.45-10,010.42

Finding the Fourth Proportional to 18,508.30, 25,541.45 and 10,010.42

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Solution

The fourth proportional to 18,508.30, 25,541.45 and 10,010.42 is: 13,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.30 : 25,541.45 = 10,010.42 : x
  2. Step 2: Convert to fraction form
    18,508.30/25,541.45 = 10,010.42/x
  3. Step 3: Cross multiply
    18,508.30x = 25,541.45 × 10,010.42
  4. Step 4: Simplify right side
    18,508.30x = 255,680,597.47
  5. Step 5: Solve for x
    x = 255,680,597.47/18,508.30
  6. Step 6: Final answer
    x = 13,814.38

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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.