Home / 19,277.12-28,918.38-5,951.20

Finding the Fourth Proportional to 19,277.12, 28,918.38 and 5,951.20

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Solution

The fourth proportional to 19,277.12, 28,918.38 and 5,951.20 is: 8,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.12 : 28,918.38 = 5,951.20 : x
  2. Step 2: Convert to fraction form
    19,277.12/28,918.38 = 5,951.20/x
  3. Step 3: Cross multiply
    19,277.12x = 28,918.38 × 5,951.20
  4. Step 4: Simplify right side
    19,277.12x = 172,098,990.76
  5. Step 5: Solve for x
    x = 172,098,990.76/19,277.12
  6. Step 6: Final answer
    x = 8,927.63

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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.