Home / 20,266.09-30,402.17-7,116.14

Finding the Fourth Proportional to 20,266.09, 30,402.17 and 7,116.14

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Solution

The fourth proportional to 20,266.09, 30,402.17 and 7,116.14 is: 10,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.09 : 30,402.17 = 7,116.14 : x
  2. Step 2: Convert to fraction form
    20,266.09/30,402.17 = 7,116.14/x
  3. Step 3: Cross multiply
    20,266.09x = 30,402.17 × 7,116.14
  4. Step 4: Simplify right side
    20,266.09x = 216,346,098.02
  5. Step 5: Solve for x
    x = 216,346,098.02/20,266.09
  6. Step 6: Final answer
    x = 10,675.28

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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.