Home / 15,441.42-21,307.46-8,727.05

Finding the Fourth Proportional to 15,441.42, 21,307.46 and 8,727.05

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Solution

The fourth proportional to 15,441.42, 21,307.46 and 8,727.05 is: 12,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.42 : 21,307.46 = 8,727.05 : x
  2. Step 2: Convert to fraction form
    15,441.42/21,307.46 = 8,727.05/x
  3. Step 3: Cross multiply
    15,441.42x = 21,307.46 × 8,727.05
  4. Step 4: Simplify right side
    15,441.42x = 185,951,118.62
  5. Step 5: Solve for x
    x = 185,951,118.62/15,441.42
  6. Step 6: Final answer
    x = 12,042.36

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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.