Home / 26,162.39-39,191.04-12,102.72

Finding the Fourth Proportional to 26,162.39, 39,191.04 and 12,102.72

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Solution

The fourth proportional to 26,162.39, 39,191.04 and 12,102.72 is: 18,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.39 : 39,191.04 = 12,102.72 : x
  2. Step 2: Convert to fraction form
    26,162.39/39,191.04 = 12,102.72/x
  3. Step 3: Cross multiply
    26,162.39x = 39,191.04 × 12,102.72
  4. Step 4: Simplify right side
    26,162.39x = 474,318,036.66
  5. Step 5: Solve for x
    x = 474,318,036.66/26,162.39
  6. Step 6: Final answer
    x = 18,129.77

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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.