Home / 19,127.16-28,687.38-8,736.44

Finding the Fourth Proportional to 19,127.16, 28,687.38 and 8,736.44

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Solution

The fourth proportional to 19,127.16, 28,687.38 and 8,736.44 is: 13,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.16 : 28,687.38 = 8,736.44 : x
  2. Step 2: Convert to fraction form
    19,127.16/28,687.38 = 8,736.44/x
  3. Step 3: Cross multiply
    19,127.16x = 28,687.38 × 8,736.44
  4. Step 4: Simplify right side
    19,127.16x = 250,625,574.13
  5. Step 5: Solve for x
    x = 250,625,574.13/19,127.16
  6. Step 6: Final answer
    x = 13,103.13

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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.