Home / 14,212.53-21,319.81-4,350.53

Finding the Fourth Proportional to 14,212.53, 21,319.81 and 4,350.53

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Solution

The fourth proportional to 14,212.53, 21,319.81 and 4,350.53 is: 6,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.53 : 21,319.81 = 4,350.53 : x
  2. Step 2: Convert to fraction form
    14,212.53/21,319.81 = 4,350.53/x
  3. Step 3: Cross multiply
    14,212.53x = 21,319.81 × 4,350.53
  4. Step 4: Simplify right side
    14,212.53x = 92,752,515.42
  5. Step 5: Solve for x
    x = 92,752,515.42/14,212.53
  6. Step 6: Final answer
    x = 6,526.11

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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.