Home / 12,531.47-17,293.42-6,866.43

Finding the Fourth Proportional to 12,531.47, 17,293.42 and 6,866.43

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Solution

The fourth proportional to 12,531.47, 17,293.42 and 6,866.43 is: 9,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.47 : 17,293.42 = 6,866.43 : x
  2. Step 2: Convert to fraction form
    12,531.47/17,293.42 = 6,866.43/x
  3. Step 3: Cross multiply
    12,531.47x = 17,293.42 × 6,866.43
  4. Step 4: Simplify right side
    12,531.47x = 118,744,118.21
  5. Step 5: Solve for x
    x = 118,744,118.21/12,531.47
  6. Step 6: Final answer
    x = 9,475.67

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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.