Home / 10,679.41-16,017.40-3,659.14

Finding the Fourth Proportional to 10,679.41, 16,017.40 and 3,659.14

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Solution

The fourth proportional to 10,679.41, 16,017.40 and 3,659.14 is: 5,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.41 : 16,017.40 = 3,659.14 : x
  2. Step 2: Convert to fraction form
    10,679.41/16,017.40 = 3,659.14/x
  3. Step 3: Cross multiply
    10,679.41x = 16,017.40 × 3,659.14
  4. Step 4: Simplify right side
    10,679.41x = 58,609,913.05
  5. Step 5: Solve for x
    x = 58,609,913.05/10,679.41
  6. Step 6: Final answer
    x = 5,488.12

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1.5x scale

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.