Home / 11,521.56-17,255.54-11,206.17

Finding the Fourth Proportional to 11,521.56, 17,255.54 and 11,206.17

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Solution

The fourth proportional to 11,521.56, 17,255.54 and 11,206.17 is: 16,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.56 : 17,255.54 = 11,206.17 : x
  2. Step 2: Convert to fraction form
    11,521.56/17,255.54 = 11,206.17/x
  3. Step 3: Cross multiply
    11,521.56x = 17,255.54 × 11,206.17
  4. Step 4: Simplify right side
    11,521.56x = 193,368,458.65
  5. Step 5: Solve for x
    x = 193,368,458.65/11,521.56
  6. Step 6: Final answer
    x = 16,783.18

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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.