Home / 13,384.95-20,069.33-5,988.03

Finding the Fourth Proportional to 13,384.95, 20,069.33 and 5,988.03

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Solution

The fourth proportional to 13,384.95, 20,069.33 and 5,988.03 is: 8,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.95 : 20,069.33 = 5,988.03 : x
  2. Step 2: Convert to fraction form
    13,384.95/20,069.33 = 5,988.03/x
  3. Step 3: Cross multiply
    13,384.95x = 20,069.33 × 5,988.03
  4. Step 4: Simplify right side
    13,384.95x = 120,175,720.18
  5. Step 5: Solve for x
    x = 120,175,720.18/13,384.95
  6. Step 6: Final answer
    x = 8,978.42

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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.