Home / 12,531.90-17,293.59-6,942.90

Finding the Fourth Proportional to 12,531.90, 17,293.59 and 6,942.90

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Solution

The fourth proportional to 12,531.90, 17,293.59 and 6,942.90 is: 9,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.90 : 17,293.59 = 6,942.90 : x
  2. Step 2: Convert to fraction form
    12,531.90/17,293.59 = 6,942.90/x
  3. Step 3: Cross multiply
    12,531.90x = 17,293.59 × 6,942.90
  4. Step 4: Simplify right side
    12,531.90x = 120,067,666.01
  5. Step 5: Solve for x
    x = 120,067,666.01/12,531.90
  6. Step 6: Final answer
    x = 9,580.96

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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.