Home / 20,217.04-30,301.70-9,110.68

Finding the Fourth Proportional to 20,217.04, 30,301.70 and 9,110.68

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Solution

The fourth proportional to 20,217.04, 30,301.70 and 9,110.68 is: 13,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.04 : 30,301.70 = 9,110.68 : x
  2. Step 2: Convert to fraction form
    20,217.04/30,301.70 = 9,110.68/x
  3. Step 3: Cross multiply
    20,217.04x = 30,301.70 × 9,110.68
  4. Step 4: Simplify right side
    20,217.04x = 276,069,092.16
  5. Step 5: Solve for x
    x = 276,069,092.16/20,217.04
  6. Step 6: Final answer
    x = 13,655.27

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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.