Home / 14,180.53-21,273.87-4,319.55

Finding the Fourth Proportional to 14,180.53, 21,273.87 and 4,319.55

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Solution

The fourth proportional to 14,180.53, 21,273.87 and 4,319.55 is: 6,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.53 : 21,273.87 = 4,319.55 : x
  2. Step 2: Convert to fraction form
    14,180.53/21,273.87 = 4,319.55/x
  3. Step 3: Cross multiply
    14,180.53x = 21,273.87 × 4,319.55
  4. Step 4: Simplify right side
    14,180.53x = 91,893,545.16
  5. Step 5: Solve for x
    x = 91,893,545.16/14,180.53
  6. Step 6: Final answer
    x = 6,480.26

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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.