Home / 18,484.31-25,508.45-10,418.09

Finding the Fourth Proportional to 18,484.31, 25,508.45 and 10,418.09

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Solution

The fourth proportional to 18,484.31, 25,508.45 and 10,418.09 is: 14,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.31 : 25,508.45 = 10,418.09 : x
  2. Step 2: Convert to fraction form
    18,484.31/25,508.45 = 10,418.09/x
  3. Step 3: Cross multiply
    18,484.31x = 25,508.45 × 10,418.09
  4. Step 4: Simplify right side
    18,484.31x = 265,749,327.86
  5. Step 5: Solve for x
    x = 265,749,327.86/18,484.31
  6. Step 6: Final answer
    x = 14,377.02

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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.