Home / 18,433.36-25,437.64-10,049.68

Finding the Fourth Proportional to 18,433.36, 25,437.64 and 10,049.68

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Solution

The fourth proportional to 18,433.36, 25,437.64 and 10,049.68 is: 13,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.36 : 25,437.64 = 10,049.68 : x
  2. Step 2: Convert to fraction form
    18,433.36/25,437.64 = 10,049.68/x
  3. Step 3: Cross multiply
    18,433.36x = 25,437.64 × 10,049.68
  4. Step 4: Simplify right side
    18,433.36x = 255,640,141.96
  5. Step 5: Solve for x
    x = 255,640,141.96/18,433.36
  6. Step 6: Final answer
    x = 13,868.34

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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.