Home / 23,142.03-31,936.02-12,531.68

Finding the Fourth Proportional to 23,142.03, 31,936.02 and 12,531.68

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Solution

The fourth proportional to 23,142.03, 31,936.02 and 12,531.68 is: 17,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.03 : 31,936.02 = 12,531.68 : x
  2. Step 2: Convert to fraction form
    23,142.03/31,936.02 = 12,531.68/x
  3. Step 3: Cross multiply
    23,142.03x = 31,936.02 × 12,531.68
  4. Step 4: Simplify right side
    23,142.03x = 400,211,823.43
  5. Step 5: Solve for x
    x = 400,211,823.43/23,142.03
  6. Step 6: Final answer
    x = 17,293.72

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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.