Home / 20,177.36-30,249.03-9,641.42

Finding the Fourth Proportional to 20,177.36, 30,249.03 and 9,641.42

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Solution

The fourth proportional to 20,177.36, 30,249.03 and 9,641.42 is: 14,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.36 : 30,249.03 = 9,641.42 : x
  2. Step 2: Convert to fraction form
    20,177.36/30,249.03 = 9,641.42/x
  3. Step 3: Cross multiply
    20,177.36x = 30,249.03 × 9,641.42
  4. Step 4: Simplify right side
    20,177.36x = 291,643,602.82
  5. Step 5: Solve for x
    x = 291,643,602.82/20,177.36
  6. Step 6: Final answer
    x = 14,454.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.