Home / 12,546.95-18,826.56-8,872.79

Finding the Fourth Proportional to 12,546.95, 18,826.56 and 8,872.79

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Solution

The fourth proportional to 12,546.95, 18,826.56 and 8,872.79 is: 13,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.95 : 18,826.56 = 8,872.79 : x
  2. Step 2: Convert to fraction form
    12,546.95/18,826.56 = 8,872.79/x
  3. Step 3: Cross multiply
    12,546.95x = 18,826.56 × 8,872.79
  4. Step 4: Simplify right side
    12,546.95x = 167,044,019.17
  5. Step 5: Solve for x
    x = 167,044,019.17/12,546.95
  6. Step 6: Final answer
    x = 13,313.52

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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.