Home / 18,848.32-26,002.16-12,131.54

Finding the Fourth Proportional to 18,848.32, 26,002.16 and 12,131.54

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Solution

The fourth proportional to 18,848.32, 26,002.16 and 12,131.54 is: 16,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.32 : 26,002.16 = 12,131.54 : x
  2. Step 2: Convert to fraction form
    18,848.32/26,002.16 = 12,131.54/x
  3. Step 3: Cross multiply
    18,848.32x = 26,002.16 × 12,131.54
  4. Step 4: Simplify right side
    18,848.32x = 315,446,244.13
  5. Step 5: Solve for x
    x = 315,446,244.13/18,848.32
  6. Step 6: Final answer
    x = 16,736.04

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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.