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Finding the Fourth Proportional to 11,349.68, 15,664.48 and 6,568.93

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Solution

The fourth proportional to 11,349.68, 15,664.48 and 6,568.93 is: 9,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.68 : 15,664.48 = 6,568.93 : x
  2. Step 2: Convert to fraction form
    11,349.68/15,664.48 = 6,568.93/x
  3. Step 3: Cross multiply
    11,349.68x = 15,664.48 × 6,568.93
  4. Step 4: Simplify right side
    11,349.68x = 102,898,872.61
  5. Step 5: Solve for x
    x = 102,898,872.61/11,349.68
  6. Step 6: Final answer
    x = 9,066.24

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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.