Home / 16,972.24-23,421.07-9,418.90

Finding the Fourth Proportional to 16,972.24, 23,421.07 and 9,418.90

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Solution

The fourth proportional to 16,972.24, 23,421.07 and 9,418.90 is: 12,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.24 : 23,421.07 = 9,418.90 : x
  2. Step 2: Convert to fraction form
    16,972.24/23,421.07 = 9,418.90/x
  3. Step 3: Cross multiply
    16,972.24x = 23,421.07 × 9,418.90
  4. Step 4: Simplify right side
    16,972.24x = 220,600,552.02
  5. Step 5: Solve for x
    x = 220,600,552.02/16,972.24
  6. Step 6: Final answer
    x = 12,997.73

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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.