Home / 11,207.25-15,470.24-8,810.97

Finding the Fourth Proportional to 11,207.25, 15,470.24 and 8,810.97

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Solution

The fourth proportional to 11,207.25, 15,470.24 and 8,810.97 is: 12,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.25 : 15,470.24 = 8,810.97 : x
  2. Step 2: Convert to fraction form
    11,207.25/15,470.24 = 8,810.97/x
  3. Step 3: Cross multiply
    11,207.25x = 15,470.24 × 8,810.97
  4. Step 4: Simplify right side
    11,207.25x = 136,307,776.48
  5. Step 5: Solve for x
    x = 136,307,776.48/11,207.25
  6. Step 6: Final answer
    x = 12,162.46

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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.