Home / 9,323.11-12,866.75-5,131.63

Finding the Fourth Proportional to 9,323.11, 12,866.75 and 5,131.63

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Solution

The fourth proportional to 9,323.11, 12,866.75 and 5,131.63 is: 7,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.11 : 12,866.75 = 5,131.63 : x
  2. Step 2: Convert to fraction form
    9,323.11/12,866.75 = 5,131.63/x
  3. Step 3: Cross multiply
    9,323.11x = 12,866.75 × 5,131.63
  4. Step 4: Simplify right side
    9,323.11x = 66,027,400.30
  5. Step 5: Solve for x
    x = 66,027,400.30/9,323.11
  6. Step 6: Final answer
    x = 7,082.12

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Double scale
Find fourth proportional to 9,324.11, 12,868.13 and 5,132.63
Similar ratio
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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.