Home / 14,180.38-21,271.75-4,319.75

Finding the Fourth Proportional to 14,180.38, 21,271.75 and 4,319.75

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Solution

The fourth proportional to 14,180.38, 21,271.75 and 4,319.75 is: 6,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.38 : 21,271.75 = 4,319.75 : x
  2. Step 2: Convert to fraction form
    14,180.38/21,271.75 = 4,319.75/x
  3. Step 3: Cross multiply
    14,180.38x = 21,271.75 × 4,319.75
  4. Step 4: Simplify right side
    14,180.38x = 91,888,684.44
  5. Step 5: Solve for x
    x = 91,888,684.44/14,180.38
  6. Step 6: Final answer
    x = 6,479.99

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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.