Home / 20,397.40-30,617.97-10,534.03

Finding the Fourth Proportional to 20,397.40, 30,617.97 and 10,534.03

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Solution

The fourth proportional to 20,397.40, 30,617.97 and 10,534.03 is: 15,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.40 : 30,617.97 = 10,534.03 : x
  2. Step 2: Convert to fraction form
    20,397.40/30,617.97 = 10,534.03/x
  3. Step 3: Cross multiply
    20,397.40x = 30,617.97 × 10,534.03
  4. Step 4: Simplify right side
    20,397.40x = 322,530,614.52
  5. Step 5: Solve for x
    x = 322,530,614.52/20,397.40
  6. Step 6: Final answer
    x = 15,812.34

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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.