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Finding the Fourth Proportional to 11,203.52, 15,460.62 and 6,167.48

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Solution

The fourth proportional to 11,203.52, 15,460.62 and 6,167.48 is: 8,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.52 : 15,460.62 = 6,167.48 : x
  2. Step 2: Convert to fraction form
    11,203.52/15,460.62 = 6,167.48/x
  3. Step 3: Cross multiply
    11,203.52x = 15,460.62 × 6,167.48
  4. Step 4: Simplify right side
    11,203.52x = 95,353,064.64
  5. Step 5: Solve for x
    x = 95,353,064.64/11,203.52
  6. Step 6: Final answer
    x = 8,510.99

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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.