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Finding the Fourth Proportional to 14,908.66, 22,365.14 and 5,547.90

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Solution

The fourth proportional to 14,908.66, 22,365.14 and 5,547.90 is: 8,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.66 : 22,365.14 = 5,547.90 : x
  2. Step 2: Convert to fraction form
    14,908.66/22,365.14 = 5,547.90/x
  3. Step 3: Cross multiply
    14,908.66x = 22,365.14 × 5,547.90
  4. Step 4: Simplify right side
    14,908.66x = 124,079,560.21
  5. Step 5: Solve for x
    x = 124,079,560.21/14,908.66
  6. Step 6: Final answer
    x = 8,322.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.