Home / 12,531.20-17,293.02-6,942.20

Finding the Fourth Proportional to 12,531.20, 17,293.02 and 6,942.20

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Solution

The fourth proportional to 12,531.20, 17,293.02 and 6,942.20 is: 9,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.20 : 17,293.02 = 6,942.20 : x
  2. Step 2: Convert to fraction form
    12,531.20/17,293.02 = 6,942.20/x
  3. Step 3: Cross multiply
    12,531.20x = 17,293.02 × 6,942.20
  4. Step 4: Simplify right side
    12,531.20x = 120,051,603.44
  5. Step 5: Solve for x
    x = 120,051,603.44/12,531.20
  6. Step 6: Final answer
    x = 9,580.22

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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.