Home / 10,161.74-15,204.50-8,407.58

Finding the Fourth Proportional to 10,161.74, 15,204.50 and 8,407.58

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Solution

The fourth proportional to 10,161.74, 15,204.50 and 8,407.58 is: 12,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.74 : 15,204.50 = 8,407.58 : x
  2. Step 2: Convert to fraction form
    10,161.74/15,204.50 = 8,407.58/x
  3. Step 3: Cross multiply
    10,161.74x = 15,204.50 × 8,407.58
  4. Step 4: Simplify right side
    10,161.74x = 127,832,932.05
  5. Step 5: Solve for x
    x = 127,832,932.05/10,161.74
  6. Step 6: Final answer
    x = 12,579.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.