Home / 18,759.24-25,886.78-10,259.72

Finding the Fourth Proportional to 18,759.24, 25,886.78 and 10,259.72

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Solution

The fourth proportional to 18,759.24, 25,886.78 and 10,259.72 is: 14,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.24 : 25,886.78 = 10,259.72 : x
  2. Step 2: Convert to fraction form
    18,759.24/25,886.78 = 10,259.72/x
  3. Step 3: Cross multiply
    18,759.24x = 25,886.78 × 10,259.72
  4. Step 4: Simplify right side
    18,759.24x = 265,591,114.50
  5. Step 5: Solve for x
    x = 265,591,114.50/18,759.24
  6. Step 6: Final answer
    x = 14,157.88

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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.