Home / 14,179.82-21,270.90-4,319.18

Finding the Fourth Proportional to 14,179.82, 21,270.90 and 4,319.18

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Solution

The fourth proportional to 14,179.82, 21,270.90 and 4,319.18 is: 6,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.82 : 21,270.90 = 4,319.18 : x
  2. Step 2: Convert to fraction form
    14,179.82/21,270.90 = 4,319.18/x
  3. Step 3: Cross multiply
    14,179.82x = 21,270.90 × 4,319.18
  4. Step 4: Simplify right side
    14,179.82x = 91,872,739.51
  5. Step 5: Solve for x
    x = 91,872,739.51/14,179.82
  6. Step 6: Final answer
    x = 6,479.12

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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.