Home / 9,338.23-12,886.72-5,146.48

Finding the Fourth Proportional to 9,338.23, 12,886.72 and 5,146.48

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Solution

The fourth proportional to 9,338.23, 12,886.72 and 5,146.48 is: 7,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.23 : 12,886.72 = 5,146.48 : x
  2. Step 2: Convert to fraction form
    9,338.23/12,886.72 = 5,146.48/x
  3. Step 3: Cross multiply
    9,338.23x = 12,886.72 × 5,146.48
  4. Step 4: Simplify right side
    9,338.23x = 66,321,246.75
  5. Step 5: Solve for x
    x = 66,321,246.75/9,338.23
  6. Step 6: Final answer
    x = 7,102.12

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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.