Home / 9,688.66-14,531.09-2,666.86

Finding the Fourth Proportional to 9,688.66, 14,531.09 and 2,666.86

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Solution

The fourth proportional to 9,688.66, 14,531.09 and 2,666.86 is: 3,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.66 : 14,531.09 = 2,666.86 : x
  2. Step 2: Convert to fraction form
    9,688.66/14,531.09 = 2,666.86/x
  3. Step 3: Cross multiply
    9,688.66x = 14,531.09 × 2,666.86
  4. Step 4: Simplify right side
    9,688.66x = 38,752,333.02
  5. Step 5: Solve for x
    x = 38,752,333.02/9,688.66
  6. Step 6: Final answer
    x = 3,999.76

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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.