Home / 15,893.32-23,768.38-12,146.20

Finding the Fourth Proportional to 15,893.32, 23,768.38 and 12,146.20

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Solution

The fourth proportional to 15,893.32, 23,768.38 and 12,146.20 is: 18,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.32 : 23,768.38 = 12,146.20 : x
  2. Step 2: Convert to fraction form
    15,893.32/23,768.38 = 12,146.20/x
  3. Step 3: Cross multiply
    15,893.32x = 23,768.38 × 12,146.20
  4. Step 4: Simplify right side
    15,893.32x = 288,695,497.16
  5. Step 5: Solve for x
    x = 288,695,497.16/15,893.32
  6. Step 6: Final answer
    x = 18,164.58

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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.