Home / 14,089.28-21,135.12-3,701

Finding the Fourth Proportional to 14,089.28, 21,135.12 and 3,701

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Solution

The fourth proportional to 14,089.28, 21,135.12 and 3,701 is: 5,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.28 : 21,135.12 = 3,701 : x
  2. Step 2: Convert to fraction form
    14,089.28/21,135.12 = 3,701/x
  3. Step 3: Cross multiply
    14,089.28x = 21,135.12 × 3,701
  4. Step 4: Simplify right side
    14,089.28x = 78,221,079.12
  5. Step 5: Solve for x
    x = 78,221,079.12/14,089.28
  6. Step 6: Final answer
    x = 5,551.82

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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.