Home / 14,240.76-21,363.18-4,380.87

Finding the Fourth Proportional to 14,240.76, 21,363.18 and 4,380.87

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Solution

The fourth proportional to 14,240.76, 21,363.18 and 4,380.87 is: 6,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.76 : 21,363.18 = 4,380.87 : x
  2. Step 2: Convert to fraction form
    14,240.76/21,363.18 = 4,380.87/x
  3. Step 3: Cross multiply
    14,240.76x = 21,363.18 × 4,380.87
  4. Step 4: Simplify right side
    14,240.76x = 93,589,314.37
  5. Step 5: Solve for x
    x = 93,589,314.37/14,240.76
  6. Step 6: Final answer
    x = 6,571.93

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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.