Home / 19,127.30-28,690.97-5,979.74

Finding the Fourth Proportional to 19,127.30, 28,690.97 and 5,979.74

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Solution

The fourth proportional to 19,127.30, 28,690.97 and 5,979.74 is: 8,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.30 : 28,690.97 = 5,979.74 : x
  2. Step 2: Convert to fraction form
    19,127.30/28,690.97 = 5,979.74/x
  3. Step 3: Cross multiply
    19,127.30x = 28,690.97 × 5,979.74
  4. Step 4: Simplify right side
    19,127.30x = 171,564,540.95
  5. Step 5: Solve for x
    x = 171,564,540.95/19,127.30
  6. Step 6: Final answer
    x = 8,969.62

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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.