Home / 14,815.90-22,228.31-4,427.66

Finding the Fourth Proportional to 14,815.90, 22,228.31 and 4,427.66

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Solution

The fourth proportional to 14,815.90, 22,228.31 and 4,427.66 is: 6,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.90 : 22,228.31 = 4,427.66 : x
  2. Step 2: Convert to fraction form
    14,815.90/22,228.31 = 4,427.66/x
  3. Step 3: Cross multiply
    14,815.90x = 22,228.31 × 4,427.66
  4. Step 4: Simplify right side
    14,815.90x = 98,419,399.05
  5. Step 5: Solve for x
    x = 98,419,399.05/14,815.90
  6. Step 6: Final answer
    x = 6,642.82

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1.5x scale

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.