Home / 18,817.16-25,967.96-10,320.05

Finding the Fourth Proportional to 18,817.16, 25,967.96 and 10,320.05

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Solution

The fourth proportional to 18,817.16, 25,967.96 and 10,320.05 is: 14,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.16 : 25,967.96 = 10,320.05 : x
  2. Step 2: Convert to fraction form
    18,817.16/25,967.96 = 10,320.05/x
  3. Step 3: Cross multiply
    18,817.16x = 25,967.96 × 10,320.05
  4. Step 4: Simplify right side
    18,817.16x = 267,990,464.16
  5. Step 5: Solve for x
    x = 267,990,464.16/18,817.16
  6. Step 6: Final answer
    x = 14,241.82

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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.