Home / 11,257.72-15,535.20-6,541.63

Finding the Fourth Proportional to 11,257.72, 15,535.20 and 6,541.63

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Solution

The fourth proportional to 11,257.72, 15,535.20 and 6,541.63 is: 9,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.72 : 15,535.20 = 6,541.63 : x
  2. Step 2: Convert to fraction form
    11,257.72/15,535.20 = 6,541.63/x
  3. Step 3: Cross multiply
    11,257.72x = 15,535.20 × 6,541.63
  4. Step 4: Simplify right side
    11,257.72x = 101,625,530.38
  5. Step 5: Solve for x
    x = 101,625,530.38/11,257.72
  6. Step 6: Final answer
    x = 9,027.19

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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.