Home / 18,427.11-25,428.74-10,043.43

Finding the Fourth Proportional to 18,427.11, 25,428.74 and 10,043.43

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Solution

The fourth proportional to 18,427.11, 25,428.74 and 10,043.43 is: 13,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.11 : 25,428.74 = 10,043.43 : x
  2. Step 2: Convert to fraction form
    18,427.11/25,428.74 = 10,043.43/x
  3. Step 3: Cross multiply
    18,427.11x = 25,428.74 × 10,043.43
  4. Step 4: Simplify right side
    18,427.11x = 255,391,719.96
  5. Step 5: Solve for x
    x = 255,391,719.96/18,427.11
  6. Step 6: Final answer
    x = 13,859.56

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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.