Home / 11,742.64-17,612.34-6,487.36

Finding the Fourth Proportional to 11,742.64, 17,612.34 and 6,487.36

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Solution

The fourth proportional to 11,742.64, 17,612.34 and 6,487.36 is: 9,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.64 : 17,612.34 = 6,487.36 : x
  2. Step 2: Convert to fraction form
    11,742.64/17,612.34 = 6,487.36/x
  3. Step 3: Cross multiply
    11,742.64x = 17,612.34 × 6,487.36
  4. Step 4: Simplify right side
    11,742.64x = 114,257,590.02
  5. Step 5: Solve for x
    x = 114,257,590.02/11,742.64
  6. Step 6: Final answer
    x = 9,730.15

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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.