Home / 16,997.40-23,449.87-12,531.77

Finding the Fourth Proportional to 16,997.40, 23,449.87 and 12,531.77

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Solution

The fourth proportional to 16,997.40, 23,449.87 and 12,531.77 is: 17,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.40 : 23,449.87 = 12,531.77 : x
  2. Step 2: Convert to fraction form
    16,997.40/23,449.87 = 12,531.77/x
  3. Step 3: Cross multiply
    16,997.40x = 23,449.87 × 12,531.77
  4. Step 4: Simplify right side
    16,997.40x = 293,868,377.37
  5. Step 5: Solve for x
    x = 293,868,377.37/16,997.40
  6. Step 6: Final answer
    x = 17,289.02

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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.