Home / 12,531.86-17,293.84-6,866.54

Finding the Fourth Proportional to 12,531.86, 17,293.84 and 6,866.54

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Solution

The fourth proportional to 12,531.86, 17,293.84 and 6,866.54 is: 9,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.86 : 17,293.84 = 6,866.54 : x
  2. Step 2: Convert to fraction form
    12,531.86/17,293.84 = 6,866.54/x
  3. Step 3: Cross multiply
    12,531.86x = 17,293.84 × 6,866.54
  4. Step 4: Simplify right side
    12,531.86x = 118,748,844.11
  5. Step 5: Solve for x
    x = 118,748,844.11/12,531.86
  6. Step 6: Final answer
    x = 9,475.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.