Home / 20,302.68-28,017.57-11,350.14

Finding the Fourth Proportional to 20,302.68, 28,017.57 and 11,350.14

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Solution

The fourth proportional to 20,302.68, 28,017.57 and 11,350.14 is: 15,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.68 : 28,017.57 = 11,350.14 : x
  2. Step 2: Convert to fraction form
    20,302.68/28,017.57 = 11,350.14/x
  3. Step 3: Cross multiply
    20,302.68x = 28,017.57 × 11,350.14
  4. Step 4: Simplify right side
    20,302.68x = 318,003,341.96
  5. Step 5: Solve for x
    x = 318,003,341.96/20,302.68
  6. Step 6: Final answer
    x = 15,663.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.