Home / 9,324.04-12,866.70-5,131.48

Finding the Fourth Proportional to 9,324.04, 12,866.70 and 5,131.48

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Solution

The fourth proportional to 9,324.04, 12,866.70 and 5,131.48 is: 7,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.04 : 12,866.70 = 5,131.48 : x
  2. Step 2: Convert to fraction form
    9,324.04/12,866.70 = 5,131.48/x
  3. Step 3: Cross multiply
    9,324.04x = 12,866.70 × 5,131.48
  4. Step 4: Simplify right side
    9,324.04x = 66,025,213.72
  5. Step 5: Solve for x
    x = 66,025,213.72/9,324.04
  6. Step 6: Final answer
    x = 7,081.18

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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.