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Finding the Fourth Proportional to 15,014.66, 22,489.18 and 7,606.40

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Solution

The fourth proportional to 15,014.66, 22,489.18 and 7,606.40 is: 11,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.66 : 22,489.18 = 7,606.40 : x
  2. Step 2: Convert to fraction form
    15,014.66/22,489.18 = 7,606.40/x
  3. Step 3: Cross multiply
    15,014.66x = 22,489.18 × 7,606.40
  4. Step 4: Simplify right side
    15,014.66x = 171,061,567.29
  5. Step 5: Solve for x
    x = 171,061,567.29/15,014.66
  6. Step 6: Final answer
    x = 11,392.97

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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.