Home / 10,350.40-15,527.60-4,427.20

Finding the Fourth Proportional to 10,350.40, 15,527.60 and 4,427.20

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Solution

The fourth proportional to 10,350.40, 15,527.60 and 4,427.20 is: 6,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.40 : 15,527.60 = 4,427.20 : x
  2. Step 2: Convert to fraction form
    10,350.40/15,527.60 = 4,427.20/x
  3. Step 3: Cross multiply
    10,350.40x = 15,527.60 × 4,427.20
  4. Step 4: Simplify right side
    10,350.40x = 68,743,790.72
  5. Step 5: Solve for x
    x = 68,743,790.72/10,350.40
  6. Step 6: Final answer
    x = 6,641.66

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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.