Home / 10,080.36-13,910.99-5,543.13

Finding the Fourth Proportional to 10,080.36, 13,910.99 and 5,543.13

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Solution

The fourth proportional to 10,080.36, 13,910.99 and 5,543.13 is: 7,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.36 : 13,910.99 = 5,543.13 : x
  2. Step 2: Convert to fraction form
    10,080.36/13,910.99 = 5,543.13/x
  3. Step 3: Cross multiply
    10,080.36x = 13,910.99 × 5,543.13
  4. Step 4: Simplify right side
    10,080.36x = 77,110,398.28
  5. Step 5: Solve for x
    x = 77,110,398.28/10,080.36
  6. Step 6: Final answer
    x = 7,649.57

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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.