Home / 11,638.97-16,061.75-6,604.18

Finding the Fourth Proportional to 11,638.97, 16,061.75 and 6,604.18

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Solution

The fourth proportional to 11,638.97, 16,061.75 and 6,604.18 is: 9,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.97 : 16,061.75 = 6,604.18 : x
  2. Step 2: Convert to fraction form
    11,638.97/16,061.75 = 6,604.18/x
  3. Step 3: Cross multiply
    11,638.97x = 16,061.75 × 6,604.18
  4. Step 4: Simplify right side
    11,638.97x = 106,074,688.12
  5. Step 5: Solve for x
    x = 106,074,688.12/11,638.97
  6. Step 6: Final answer
    x = 9,113.75

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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.