Home / 10,057.20-13,879.29-5,519.58

Finding the Fourth Proportional to 10,057.20, 13,879.29 and 5,519.58

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Solution

The fourth proportional to 10,057.20, 13,879.29 and 5,519.58 is: 7,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.20 : 13,879.29 = 5,519.58 : x
  2. Step 2: Convert to fraction form
    10,057.20/13,879.29 = 5,519.58/x
  3. Step 3: Cross multiply
    10,057.20x = 13,879.29 × 5,519.58
  4. Step 4: Simplify right side
    10,057.20x = 76,607,851.50
  5. Step 5: Solve for x
    x = 76,607,851.50/10,057.20
  6. Step 6: Final answer
    x = 7,617.21

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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.