Home / 18,685.46-25,785.96-10,301.96

Finding the Fourth Proportional to 18,685.46, 25,785.96 and 10,301.96

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Solution

The fourth proportional to 18,685.46, 25,785.96 and 10,301.96 is: 14,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.46 : 25,785.96 = 10,301.96 : x
  2. Step 2: Convert to fraction form
    18,685.46/25,785.96 = 10,301.96/x
  3. Step 3: Cross multiply
    18,685.46x = 25,785.96 × 10,301.96
  4. Step 4: Simplify right side
    18,685.46x = 265,645,928.48
  5. Step 5: Solve for x
    x = 265,645,928.48/18,685.46
  6. Step 6: Final answer
    x = 14,216.72

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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.