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Finding the Fourth Proportional to 12,223.52, 18,232.51 and 11,102.34

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Solution

The fourth proportional to 12,223.52, 18,232.51 and 11,102.34 is: 16,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.52 : 18,232.51 = 11,102.34 : x
  2. Step 2: Convert to fraction form
    12,223.52/18,232.51 = 11,102.34/x
  3. Step 3: Cross multiply
    12,223.52x = 18,232.51 × 11,102.34
  4. Step 4: Simplify right side
    12,223.52x = 202,423,488.39
  5. Step 5: Solve for x
    x = 202,423,488.39/12,223.52
  6. Step 6: Final answer
    x = 16,560.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.