Home / 10,269.20-15,403.80-3,344.40

Finding the Fourth Proportional to 10,269.20, 15,403.80 and 3,344.40

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Solution

The fourth proportional to 10,269.20, 15,403.80 and 3,344.40 is: 5,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.20 : 15,403.80 = 3,344.40 : x
  2. Step 2: Convert to fraction form
    10,269.20/15,403.80 = 3,344.40/x
  3. Step 3: Cross multiply
    10,269.20x = 15,403.80 × 3,344.40
  4. Step 4: Simplify right side
    10,269.20x = 51,516,468.72
  5. Step 5: Solve for x
    x = 51,516,468.72/10,269.20
  6. Step 6: Final answer
    x = 5,016.60

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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.