Home / 14,205.74-21,298.11-4,843.28

Finding the Fourth Proportional to 14,205.74, 21,298.11 and 4,843.28

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Solution

The fourth proportional to 14,205.74, 21,298.11 and 4,843.28 is: 7,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.74 : 21,298.11 = 4,843.28 : x
  2. Step 2: Convert to fraction form
    14,205.74/21,298.11 = 4,843.28/x
  3. Step 3: Cross multiply
    14,205.74x = 21,298.11 × 4,843.28
  4. Step 4: Simplify right side
    14,205.74x = 103,152,710.20
  5. Step 5: Solve for x
    x = 103,152,710.20/14,205.74
  6. Step 6: Final answer
    x = 7,261.34

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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.