Home / 13,331.18-20,009.12-9,616.11

Finding the Fourth Proportional to 13,331.18, 20,009.12 and 9,616.11

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Solution

The fourth proportional to 13,331.18, 20,009.12 and 9,616.11 is: 14,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.18 : 20,009.12 = 9,616.11 : x
  2. Step 2: Convert to fraction form
    13,331.18/20,009.12 = 9,616.11/x
  3. Step 3: Cross multiply
    13,331.18x = 20,009.12 × 9,616.11
  4. Step 4: Simplify right side
    13,331.18x = 192,409,850.84
  5. Step 5: Solve for x
    x = 192,409,850.84/13,331.18
  6. Step 6: Final answer
    x = 14,433.08

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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.