Home / 10,226.40-15,301.20-9,304.80

Finding the Fourth Proportional to 10,226.40, 15,301.20 and 9,304.80

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Solution

The fourth proportional to 10,226.40, 15,301.20 and 9,304.80 is: 13,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.40 : 15,301.20 = 9,304.80 : x
  2. Step 2: Convert to fraction form
    10,226.40/15,301.20 = 9,304.80/x
  3. Step 3: Cross multiply
    10,226.40x = 15,301.20 × 9,304.80
  4. Step 4: Simplify right side
    10,226.40x = 142,374,605.76
  5. Step 5: Solve for x
    x = 142,374,605.76/10,226.40
  6. Step 6: Final answer
    x = 13,922.26

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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.