Home / 15,627.91-21,566.66-9,254.86

Finding the Fourth Proportional to 15,627.91, 21,566.66 and 9,254.86

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Solution

The fourth proportional to 15,627.91, 21,566.66 and 9,254.86 is: 12,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.91 : 21,566.66 = 9,254.86 : x
  2. Step 2: Convert to fraction form
    15,627.91/21,566.66 = 9,254.86/x
  3. Step 3: Cross multiply
    15,627.91x = 21,566.66 × 9,254.86
  4. Step 4: Simplify right side
    15,627.91x = 199,596,318.78
  5. Step 5: Solve for x
    x = 199,596,318.78/15,627.91
  6. Step 6: Final answer
    x = 12,771.78

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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.