Home / 12,870.59-19,305.88-4,546.08

Finding the Fourth Proportional to 12,870.59, 19,305.88 and 4,546.08

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Solution

The fourth proportional to 12,870.59, 19,305.88 and 4,546.08 is: 6,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870.59 : 19,305.88 = 4,546.08 : x
  2. Step 2: Convert to fraction form
    12,870.59/19,305.88 = 4,546.08/x
  3. Step 3: Cross multiply
    12,870.59x = 19,305.88 × 4,546.08
  4. Step 4: Simplify right side
    12,870.59x = 87,766,063.59
  5. Step 5: Solve for x
    x = 87,766,063.59/12,870.59
  6. Step 6: Final answer
    x = 6,819.12

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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.