Home / 13,948.80-19,249.38-7,575.36

Finding the Fourth Proportional to 13,948.80, 19,249.38 and 7,575.36

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Solution

The fourth proportional to 13,948.80, 19,249.38 and 7,575.36 is: 10,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.80 : 19,249.38 = 7,575.36 : x
  2. Step 2: Convert to fraction form
    13,948.80/19,249.38 = 7,575.36/x
  3. Step 3: Cross multiply
    13,948.80x = 19,249.38 × 7,575.36
  4. Step 4: Simplify right side
    13,948.80x = 145,820,983.28
  5. Step 5: Solve for x
    x = 145,820,983.28/13,948.80
  6. Step 6: Final answer
    x = 10,454.02

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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.