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Finding the Fourth Proportional to 11,568.65, 15,958.01 and 7,797.02

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Solution

The fourth proportional to 11,568.65, 15,958.01 and 7,797.02 is: 10,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.65 : 15,958.01 = 7,797.02 : x
  2. Step 2: Convert to fraction form
    11,568.65/15,958.01 = 7,797.02/x
  3. Step 3: Cross multiply
    11,568.65x = 15,958.01 × 7,797.02
  4. Step 4: Simplify right side
    11,568.65x = 124,424,862.83
  5. Step 5: Solve for x
    x = 124,424,862.83/11,568.65
  6. Step 6: Final answer
    x = 10,755.35

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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.