Home / 10,400.60-15,589.38-6,246.20

Finding the Fourth Proportional to 10,400.60, 15,589.38 and 6,246.20

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Solution

The fourth proportional to 10,400.60, 15,589.38 and 6,246.20 is: 9,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.60 : 15,589.38 = 6,246.20 : x
  2. Step 2: Convert to fraction form
    10,400.60/15,589.38 = 6,246.20/x
  3. Step 3: Cross multiply
    10,400.60x = 15,589.38 × 6,246.20
  4. Step 4: Simplify right side
    10,400.60x = 97,374,385.36
  5. Step 5: Solve for x
    x = 97,374,385.36/10,400.60
  6. Step 6: Final answer
    x = 9,362.38

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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.