Home / 14,046.03-21,069.04-3,657.78

Finding the Fourth Proportional to 14,046.03, 21,069.04 and 3,657.78

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Solution

The fourth proportional to 14,046.03, 21,069.04 and 3,657.78 is: 5,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.03 : 21,069.04 = 3,657.78 : x
  2. Step 2: Convert to fraction form
    14,046.03/21,069.04 = 3,657.78/x
  3. Step 3: Cross multiply
    14,046.03x = 21,069.04 × 3,657.78
  4. Step 4: Simplify right side
    14,046.03x = 77,065,913.13
  5. Step 5: Solve for x
    x = 77,065,913.13/14,046.03
  6. Step 6: Final answer
    x = 5,486.67

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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.