Home / 11,206.77-15,450.89-9,182.66

Finding the Fourth Proportional to 11,206.77, 15,450.89 and 9,182.66

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Solution

The fourth proportional to 11,206.77, 15,450.89 and 9,182.66 is: 12,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.77 : 15,450.89 = 9,182.66 : x
  2. Step 2: Convert to fraction form
    11,206.77/15,450.89 = 9,182.66/x
  3. Step 3: Cross multiply
    11,206.77x = 15,450.89 × 9,182.66
  4. Step 4: Simplify right side
    11,206.77x = 141,880,146.40
  5. Step 5: Solve for x
    x = 141,880,146.40/11,206.77
  6. Step 6: Final answer
    x = 12,660.22

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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.