Home / 15,177.96-20,933.72-9,874.48

Finding the Fourth Proportional to 15,177.96, 20,933.72 and 9,874.48

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Solution

The fourth proportional to 15,177.96, 20,933.72 and 9,874.48 is: 13,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.96 : 20,933.72 = 9,874.48 : x
  2. Step 2: Convert to fraction form
    15,177.96/20,933.72 = 9,874.48/x
  3. Step 3: Cross multiply
    15,177.96x = 20,933.72 × 9,874.48
  4. Step 4: Simplify right side
    15,177.96x = 206,709,599.47
  5. Step 5: Solve for x
    x = 206,709,599.47/15,177.96
  6. Step 6: Final answer
    x = 13,619.06

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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.