Home / 12,164.64-18,244.86-3,397.47

Finding the Fourth Proportional to 12,164.64, 18,244.86 and 3,397.47

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Solution

The fourth proportional to 12,164.64, 18,244.86 and 3,397.47 is: 5,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.64 : 18,244.86 = 3,397.47 : x
  2. Step 2: Convert to fraction form
    12,164.64/18,244.86 = 3,397.47/x
  3. Step 3: Cross multiply
    12,164.64x = 18,244.86 × 3,397.47
  4. Step 4: Simplify right side
    12,164.64x = 61,986,273.28
  5. Step 5: Solve for x
    x = 61,986,273.28/12,164.64
  6. Step 6: Final answer
    x = 5,095.61

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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.