Home / 12,876.60-19,314.88-4,552.08

Finding the Fourth Proportional to 12,876.60, 19,314.88 and 4,552.08

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Solution

The fourth proportional to 12,876.60, 19,314.88 and 4,552.08 is: 6,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.60 : 19,314.88 = 4,552.08 : x
  2. Step 2: Convert to fraction form
    12,876.60/19,314.88 = 4,552.08/x
  3. Step 3: Cross multiply
    12,876.60x = 19,314.88 × 4,552.08
  4. Step 4: Simplify right side
    12,876.60x = 87,922,878.95
  5. Step 5: Solve for x
    x = 87,922,878.95/12,876.60
  6. Step 6: Final answer
    x = 6,828.11

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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.