Home / 14,082.68-21,117.20-5,759.39

Finding the Fourth Proportional to 14,082.68, 21,117.20 and 5,759.39

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Solution

The fourth proportional to 14,082.68, 21,117.20 and 5,759.39 is: 8,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.68 : 21,117.20 = 5,759.39 : x
  2. Step 2: Convert to fraction form
    14,082.68/21,117.20 = 5,759.39/x
  3. Step 3: Cross multiply
    14,082.68x = 21,117.20 × 5,759.39
  4. Step 4: Simplify right side
    14,082.68x = 121,622,056.13
  5. Step 5: Solve for x
    x = 121,622,056.13/14,082.68
  6. Step 6: Final answer
    x = 8,636.29

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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.