Home / 19,251.14-28,884.60-8,718.30

Finding the Fourth Proportional to 19,251.14, 28,884.60 and 8,718.30

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Solution

The fourth proportional to 19,251.14, 28,884.60 and 8,718.30 is: 13,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.14 : 28,884.60 = 8,718.30 : x
  2. Step 2: Convert to fraction form
    19,251.14/28,884.60 = 8,718.30/x
  3. Step 3: Cross multiply
    19,251.14x = 28,884.60 × 8,718.30
  4. Step 4: Simplify right side
    19,251.14x = 251,824,608.18
  5. Step 5: Solve for x
    x = 251,824,608.18/19,251.14
  6. Step 6: Final answer
    x = 13,081.03

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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.