Home / 16,989.45-25,493.33-9,983.15

Finding the Fourth Proportional to 16,989.45, 25,493.33 and 9,983.15

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Solution

The fourth proportional to 16,989.45, 25,493.33 and 9,983.15 is: 14,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.45 : 25,493.33 = 9,983.15 : x
  2. Step 2: Convert to fraction form
    16,989.45/25,493.33 = 9,983.15/x
  3. Step 3: Cross multiply
    16,989.45x = 25,493.33 × 9,983.15
  4. Step 4: Simplify right side
    16,989.45x = 254,503,698.61
  5. Step 5: Solve for x
    x = 254,503,698.61/16,989.45
  6. Step 6: Final answer
    x = 14,980.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.