Home / 15,441.74-21,310.04-8,727.65

Finding the Fourth Proportional to 15,441.74, 21,310.04 and 8,727.65

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Solution

The fourth proportional to 15,441.74, 21,310.04 and 8,727.65 is: 12,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.74 : 21,310.04 = 8,727.65 : x
  2. Step 2: Convert to fraction form
    15,441.74/21,310.04 = 8,727.65/x
  3. Step 3: Cross multiply
    15,441.74x = 21,310.04 × 8,727.65
  4. Step 4: Simplify right side
    15,441.74x = 185,986,516.69
  5. Step 5: Solve for x
    x = 185,986,516.69/15,441.74
  6. Step 6: Final answer
    x = 12,044.40

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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.