Home / 11,272.87-15,541.67-9,248.88

Finding the Fourth Proportional to 11,272.87, 15,541.67 and 9,248.88

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Solution

The fourth proportional to 11,272.87, 15,541.67 and 9,248.88 is: 12,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.87 : 15,541.67 = 9,248.88 : x
  2. Step 2: Convert to fraction form
    11,272.87/15,541.67 = 9,248.88/x
  3. Step 3: Cross multiply
    11,272.87x = 15,541.67 × 9,248.88
  4. Step 4: Simplify right side
    11,272.87x = 143,743,122.23
  5. Step 5: Solve for x
    x = 143,743,122.23/11,272.87
  6. Step 6: Final answer
    x = 12,751.24

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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.