Home / 13,786.38-19,025.28-7,498.62

Finding the Fourth Proportional to 13,786.38, 19,025.28 and 7,498.62

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Solution

The fourth proportional to 13,786.38, 19,025.28 and 7,498.62 is: 10,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.38 : 19,025.28 = 7,498.62 : x
  2. Step 2: Convert to fraction form
    13,786.38/19,025.28 = 7,498.62/x
  3. Step 3: Cross multiply
    13,786.38x = 19,025.28 × 7,498.62
  4. Step 4: Simplify right side
    13,786.38x = 142,663,345.11
  5. Step 5: Solve for x
    x = 142,663,345.11/13,786.38
  6. Step 6: Final answer
    x = 10,348.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.