Home / 18,005.08-24,877.46-12,959.32

Finding the Fourth Proportional to 18,005.08, 24,877.46 and 12,959.32

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Solution

The fourth proportional to 18,005.08, 24,877.46 and 12,959.32 is: 17,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.08 : 24,877.46 = 12,959.32 : x
  2. Step 2: Convert to fraction form
    18,005.08/24,877.46 = 12,959.32/x
  3. Step 3: Cross multiply
    18,005.08x = 24,877.46 × 12,959.32
  4. Step 4: Simplify right side
    18,005.08x = 322,394,964.93
  5. Step 5: Solve for x
    x = 322,394,964.93/18,005.08
  6. Step 6: Final answer
    x = 17,905.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.