Home / 10,404.70-15,612.45-4,561.90

Finding the Fourth Proportional to 10,404.70, 15,612.45 and 4,561.90

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Solution

The fourth proportional to 10,404.70, 15,612.45 and 4,561.90 is: 6,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.70 : 15,612.45 = 4,561.90 : x
  2. Step 2: Convert to fraction form
    10,404.70/15,612.45 = 4,561.90/x
  3. Step 3: Cross multiply
    10,404.70x = 15,612.45 × 4,561.90
  4. Step 4: Simplify right side
    10,404.70x = 71,222,435.66
  5. Step 5: Solve for x
    x = 71,222,435.66/10,404.70
  6. Step 6: Final answer
    x = 6,845.22

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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.