Home / 10,422.84-15,633.91-4,181.19

Finding the Fourth Proportional to 10,422.84, 15,633.91 and 4,181.19

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Solution

The fourth proportional to 10,422.84, 15,633.91 and 4,181.19 is: 6,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.84 : 15,633.91 = 4,181.19 : x
  2. Step 2: Convert to fraction form
    10,422.84/15,633.91 = 4,181.19/x
  3. Step 3: Cross multiply
    10,422.84x = 15,633.91 × 4,181.19
  4. Step 4: Simplify right side
    10,422.84x = 65,368,294.75
  5. Step 5: Solve for x
    x = 65,368,294.75/10,422.84
  6. Step 6: Final answer
    x = 6,271.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.