Home / 12,531.31-17,293.19-6,866.42

Finding the Fourth Proportional to 12,531.31, 17,293.19 and 6,866.42

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Solution

The fourth proportional to 12,531.31, 17,293.19 and 6,866.42 is: 9,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.31 : 17,293.19 = 6,866.42 : x
  2. Step 2: Convert to fraction form
    12,531.31/17,293.19 = 6,866.42/x
  3. Step 3: Cross multiply
    12,531.31x = 17,293.19 × 6,866.42
  4. Step 4: Simplify right side
    12,531.31x = 118,742,305.68
  5. Step 5: Solve for x
    x = 118,742,305.68/12,531.31
  6. Step 6: Final answer
    x = 9,475.65

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1.5x scale

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.