Home / 18,655.29-25,744.25-10,157.28

Finding the Fourth Proportional to 18,655.29, 25,744.25 and 10,157.28

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Solution

The fourth proportional to 18,655.29, 25,744.25 and 10,157.28 is: 14,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.29 : 25,744.25 = 10,157.28 : x
  2. Step 2: Convert to fraction form
    18,655.29/25,744.25 = 10,157.28/x
  3. Step 3: Cross multiply
    18,655.29x = 25,744.25 × 10,157.28
  4. Step 4: Simplify right side
    18,655.29x = 261,491,555.64
  5. Step 5: Solve for x
    x = 261,491,555.64/18,655.29
  6. Step 6: Final answer
    x = 14,017.02

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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.