Home / 13,821.74-19,074.12-7,534.52

Finding the Fourth Proportional to 13,821.74, 19,074.12 and 7,534.52

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Solution

The fourth proportional to 13,821.74, 19,074.12 and 7,534.52 is: 10,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.74 : 19,074.12 = 7,534.52 : x
  2. Step 2: Convert to fraction form
    13,821.74/19,074.12 = 7,534.52/x
  3. Step 3: Cross multiply
    13,821.74x = 19,074.12 × 7,534.52
  4. Step 4: Simplify right side
    13,821.74x = 143,714,338.62
  5. Step 5: Solve for x
    x = 143,714,338.62/13,821.74
  6. Step 6: Final answer
    x = 10,397.70

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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.