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Finding the Fourth Proportional to 11,572.44, 15,968.44 and 6,535.84

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Solution

The fourth proportional to 11,572.44, 15,968.44 and 6,535.84 is: 9,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.44 : 15,968.44 = 6,535.84 : x
  2. Step 2: Convert to fraction form
    11,572.44/15,968.44 = 6,535.84/x
  3. Step 3: Cross multiply
    11,572.44x = 15,968.44 × 6,535.84
  4. Step 4: Simplify right side
    11,572.44x = 104,367,168.89
  5. Step 5: Solve for x
    x = 104,367,168.89/11,572.44
  6. Step 6: Final answer
    x = 9,018.60

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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.