Home / 18,431.64-25,434.92-10,047.96

Finding the Fourth Proportional to 18,431.64, 25,434.92 and 10,047.96

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Solution

The fourth proportional to 18,431.64, 25,434.92 and 10,047.96 is: 13,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.64 : 25,434.92 = 10,047.96 : x
  2. Step 2: Convert to fraction form
    18,431.64/25,434.92 = 10,047.96/x
  3. Step 3: Cross multiply
    18,431.64x = 25,434.92 × 10,047.96
  4. Step 4: Simplify right side
    18,431.64x = 255,569,058.76
  5. Step 5: Solve for x
    x = 255,569,058.76/18,431.64
  6. Step 6: Final answer
    x = 13,865.78

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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.