Home / 14,182.15-21,271.39-4,821.79

Finding the Fourth Proportional to 14,182.15, 21,271.39 and 4,821.79

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Solution

The fourth proportional to 14,182.15, 21,271.39 and 4,821.79 is: 7,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.15 : 21,271.39 = 4,821.79 : x
  2. Step 2: Convert to fraction form
    14,182.15/21,271.39 = 4,821.79/x
  3. Step 3: Cross multiply
    14,182.15x = 21,271.39 × 4,821.79
  4. Step 4: Simplify right side
    14,182.15x = 102,566,175.59
  5. Step 5: Solve for x
    x = 102,566,175.59/14,182.15
  6. Step 6: Final answer
    x = 7,232.06

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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.