Home / 12,899.27-19,346.46-4,578.95

Finding the Fourth Proportional to 12,899.27, 19,346.46 and 4,578.95

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Solution

The fourth proportional to 12,899.27, 19,346.46 and 4,578.95 is: 6,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.27 : 19,346.46 = 4,578.95 : x
  2. Step 2: Convert to fraction form
    12,899.27/19,346.46 = 4,578.95/x
  3. Step 3: Cross multiply
    12,899.27x = 19,346.46 × 4,578.95
  4. Step 4: Simplify right side
    12,899.27x = 88,586,376.28
  5. Step 5: Solve for x
    x = 88,586,376.28/12,899.27
  6. Step 6: Final answer
    x = 6,867.55

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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.