Home / 14,073.24-21,111.08-3,685

Finding the Fourth Proportional to 14,073.24, 21,111.08 and 3,685

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Solution

The fourth proportional to 14,073.24, 21,111.08 and 3,685 is: 5,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.24 : 21,111.08 = 3,685 : x
  2. Step 2: Convert to fraction form
    14,073.24/21,111.08 = 3,685/x
  3. Step 3: Cross multiply
    14,073.24x = 21,111.08 × 3,685
  4. Step 4: Simplify right side
    14,073.24x = 77,794,329.80
  5. Step 5: Solve for x
    x = 77,794,329.80/14,073.24
  6. Step 6: Final answer
    x = 5,527.82

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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.