Home / 10,233.60-15,350.40-9,945.60

Finding the Fourth Proportional to 10,233.60, 15,350.40 and 9,945.60

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Solution

The fourth proportional to 10,233.60, 15,350.40 and 9,945.60 is: 14,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.60 : 15,350.40 = 9,945.60 : x
  2. Step 2: Convert to fraction form
    10,233.60/15,350.40 = 9,945.60/x
  3. Step 3: Cross multiply
    10,233.60x = 15,350.40 × 9,945.60
  4. Step 4: Simplify right side
    10,233.60x = 152,668,938.24
  5. Step 5: Solve for x
    x = 152,668,938.24/10,233.60
  6. Step 6: Final answer
    x = 14,918.40

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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.