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Finding the Fourth Proportional to 11,568.13, 15,964.02 and 6,262.99

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Solution

The fourth proportional to 11,568.13, 15,964.02 and 6,262.99 is: 8,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.13 : 15,964.02 = 6,262.99 : x
  2. Step 2: Convert to fraction form
    11,568.13/15,964.02 = 6,262.99/x
  3. Step 3: Cross multiply
    11,568.13x = 15,964.02 × 6,262.99
  4. Step 4: Simplify right side
    11,568.13x = 99,982,497.62
  5. Step 5: Solve for x
    x = 99,982,497.62/11,568.13
  6. Step 6: Final answer
    x = 8,642.93

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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.