Home / 12,311.90-16,993.29-7,535.73

Finding the Fourth Proportional to 12,311.90, 16,993.29 and 7,535.73

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Solution

The fourth proportional to 12,311.90, 16,993.29 and 7,535.73 is: 10,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.90 : 16,993.29 = 7,535.73 : x
  2. Step 2: Convert to fraction form
    12,311.90/16,993.29 = 7,535.73/x
  3. Step 3: Cross multiply
    12,311.90x = 16,993.29 × 7,535.73
  4. Step 4: Simplify right side
    12,311.90x = 128,056,937.24
  5. Step 5: Solve for x
    x = 128,056,937.24/12,311.90
  6. Step 6: Final answer
    x = 10,401.07

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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.