Home / 14,106.84-21,160.56-4,747.14

Finding the Fourth Proportional to 14,106.84, 21,160.56 and 4,747.14

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Solution

The fourth proportional to 14,106.84, 21,160.56 and 4,747.14 is: 7,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.84 : 21,160.56 = 4,747.14 : x
  2. Step 2: Convert to fraction form
    14,106.84/21,160.56 = 4,747.14/x
  3. Step 3: Cross multiply
    14,106.84x = 21,160.56 × 4,747.14
  4. Step 4: Simplify right side
    14,106.84x = 100,452,140.80
  5. Step 5: Solve for x
    x = 100,452,140.80/14,106.84
  6. Step 6: Final answer
    x = 7,120.81

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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.