Home / 10,020.25-13,826.85-5,543.29

Finding the Fourth Proportional to 10,020.25, 13,826.85 and 5,543.29

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Solution

The fourth proportional to 10,020.25, 13,826.85 and 5,543.29 is: 7,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.25 : 13,826.85 = 5,543.29 : x
  2. Step 2: Convert to fraction form
    10,020.25/13,826.85 = 5,543.29/x
  3. Step 3: Cross multiply
    10,020.25x = 13,826.85 × 5,543.29
  4. Step 4: Simplify right side
    10,020.25x = 76,646,170.20
  5. Step 5: Solve for x
    x = 76,646,170.20/10,020.25
  6. Step 6: Final answer
    x = 7,649.13

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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.