Home / 19,268.04-28,876.14-7,578.12

Finding the Fourth Proportional to 19,268.04, 28,876.14 and 7,578.12

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Solution

The fourth proportional to 19,268.04, 28,876.14 and 7,578.12 is: 11,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.04 : 28,876.14 = 7,578.12 : x
  2. Step 2: Convert to fraction form
    19,268.04/28,876.14 = 7,578.12/x
  3. Step 3: Cross multiply
    19,268.04x = 28,876.14 × 7,578.12
  4. Step 4: Simplify right side
    19,268.04x = 218,826,854.06
  5. Step 5: Solve for x
    x = 218,826,854.06/19,268.04
  6. Step 6: Final answer
    x = 11,356.99

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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.