Home / 14,648.18-20,214.38-7,933.79

Finding the Fourth Proportional to 14,648.18, 20,214.38 and 7,933.79

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Solution

The fourth proportional to 14,648.18, 20,214.38 and 7,933.79 is: 10,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.18 : 20,214.38 = 7,933.79 : x
  2. Step 2: Convert to fraction form
    14,648.18/20,214.38 = 7,933.79/x
  3. Step 3: Cross multiply
    14,648.18x = 20,214.38 × 7,933.79
  4. Step 4: Simplify right side
    14,648.18x = 160,376,505.16
  5. Step 5: Solve for x
    x = 160,376,505.16/14,648.18
  6. Step 6: Final answer
    x = 10,948.56

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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.