Home / 10,233.80-15,350.70-10,147.40

Finding the Fourth Proportional to 10,233.80, 15,350.70 and 10,147.40

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Solution

The fourth proportional to 10,233.80, 15,350.70 and 10,147.40 is: 15,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.80 : 15,350.70 = 10,147.40 : x
  2. Step 2: Convert to fraction form
    10,233.80/15,350.70 = 10,147.40/x
  3. Step 3: Cross multiply
    10,233.80x = 15,350.70 × 10,147.40
  4. Step 4: Simplify right side
    10,233.80x = 155,769,693.18
  5. Step 5: Solve for x
    x = 155,769,693.18/10,233.80
  6. Step 6: Final answer
    x = 15,221.10

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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.