Home / 12,166.52-18,247.62-3,402.32

Finding the Fourth Proportional to 12,166.52, 18,247.62 and 3,402.32

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Solution

The fourth proportional to 12,166.52, 18,247.62 and 3,402.32 is: 5,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.52 : 18,247.62 = 3,402.32 : x
  2. Step 2: Convert to fraction form
    12,166.52/18,247.62 = 3,402.32/x
  3. Step 3: Cross multiply
    12,166.52x = 18,247.62 × 3,402.32
  4. Step 4: Simplify right side
    12,166.52x = 62,084,242.48
  5. Step 5: Solve for x
    x = 62,084,242.48/12,166.52
  6. Step 6: Final answer
    x = 5,102.88

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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.