Home / 18,802.44-25,948.38-10,419

Finding the Fourth Proportional to 18,802.44, 25,948.38 and 10,419

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Solution

The fourth proportional to 18,802.44, 25,948.38 and 10,419 is: 14,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.44 : 25,948.38 = 10,419 : x
  2. Step 2: Convert to fraction form
    18,802.44/25,948.38 = 10,419/x
  3. Step 3: Cross multiply
    18,802.44x = 25,948.38 × 10,419
  4. Step 4: Simplify right side
    18,802.44x = 270,356,171.22
  5. Step 5: Solve for x
    x = 270,356,171.22/18,802.44
  6. Step 6: Final answer
    x = 14,378.78

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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.