Home / 12,002.40-16,563.32-6,625.16

Finding the Fourth Proportional to 12,002.40, 16,563.32 and 6,625.16

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Solution

The fourth proportional to 12,002.40, 16,563.32 and 6,625.16 is: 9,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.40 : 16,563.32 = 6,625.16 : x
  2. Step 2: Convert to fraction form
    12,002.40/16,563.32 = 6,625.16/x
  3. Step 3: Cross multiply
    12,002.40x = 16,563.32 × 6,625.16
  4. Step 4: Simplify right side
    12,002.40x = 109,734,645.13
  5. Step 5: Solve for x
    x = 109,734,645.13/12,002.40
  6. Step 6: Final answer
    x = 9,142.73

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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.