Home / 9,688.64-14,531.36-2,761.44

Finding the Fourth Proportional to 9,688.64, 14,531.36 and 2,761.44

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Solution

The fourth proportional to 9,688.64, 14,531.36 and 2,761.44 is: 4,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.64 : 14,531.36 = 2,761.44 : x
  2. Step 2: Convert to fraction form
    9,688.64/14,531.36 = 2,761.44/x
  3. Step 3: Cross multiply
    9,688.64x = 14,531.36 × 2,761.44
  4. Step 4: Simplify right side
    9,688.64x = 40,127,478.76
  5. Step 5: Solve for x
    x = 40,127,478.76/9,688.64
  6. Step 6: Final answer
    x = 4,141.70

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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.