Home / 15,441.93-21,310.29-8,727.42

Finding the Fourth Proportional to 15,441.93, 21,310.29 and 8,727.42

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Solution

The fourth proportional to 15,441.93, 21,310.29 and 8,727.42 is: 12,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.93 : 21,310.29 = 8,727.42 : x
  2. Step 2: Convert to fraction form
    15,441.93/21,310.29 = 8,727.42/x
  3. Step 3: Cross multiply
    15,441.93x = 21,310.29 × 8,727.42
  4. Step 4: Simplify right side
    15,441.93x = 185,983,851.15
  5. Step 5: Solve for x
    x = 185,983,851.15/15,441.93
  6. Step 6: Final answer
    x = 12,044.08

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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.