Home / 19,115.25-28,672.88-5,968.75

Finding the Fourth Proportional to 19,115.25, 28,672.88 and 5,968.75

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Solution

The fourth proportional to 19,115.25, 28,672.88 and 5,968.75 is: 8,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.25 : 28,672.88 = 5,968.75 : x
  2. Step 2: Convert to fraction form
    19,115.25/28,672.88 = 5,968.75/x
  3. Step 3: Cross multiply
    19,115.25x = 28,672.88 × 5,968.75
  4. Step 4: Simplify right side
    19,115.25x = 171,141,252.50
  5. Step 5: Solve for x
    x = 171,141,252.50/19,115.25
  6. Step 6: Final answer
    x = 8,953.13

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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.