Home / 14,181.25-21,275.04-4,321.30

Finding the Fourth Proportional to 14,181.25, 21,275.04 and 4,321.30

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Solution

The fourth proportional to 14,181.25, 21,275.04 and 4,321.30 is: 6,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.25 : 21,275.04 = 4,321.30 : x
  2. Step 2: Convert to fraction form
    14,181.25/21,275.04 = 4,321.30/x
  3. Step 3: Cross multiply
    14,181.25x = 21,275.04 × 4,321.30
  4. Step 4: Simplify right side
    14,181.25x = 91,935,723.98
  5. Step 5: Solve for x
    x = 91,935,723.98/14,181.25
  6. Step 6: Final answer
    x = 6,482.91

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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.