Home / 14,561.20-20,067.80-10,575.38

Finding the Fourth Proportional to 14,561.20, 20,067.80 and 10,575.38

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Solution

The fourth proportional to 14,561.20, 20,067.80 and 10,575.38 is: 14,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.20 : 20,067.80 = 10,575.38 : x
  2. Step 2: Convert to fraction form
    14,561.20/20,067.80 = 10,575.38/x
  3. Step 3: Cross multiply
    14,561.20x = 20,067.80 × 10,575.38
  4. Step 4: Simplify right side
    14,561.20x = 212,224,610.76
  5. Step 5: Solve for x
    x = 212,224,610.76/14,561.20
  6. Step 6: Final answer
    x = 14,574.66

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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.