Home / 14,050.19-21,074.79-3,520.30

Finding the Fourth Proportional to 14,050.19, 21,074.79 and 3,520.30

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Solution

The fourth proportional to 14,050.19, 21,074.79 and 3,520.30 is: 5,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.19 : 21,074.79 = 3,520.30 : x
  2. Step 2: Convert to fraction form
    14,050.19/21,074.79 = 3,520.30/x
  3. Step 3: Cross multiply
    14,050.19x = 21,074.79 × 3,520.30
  4. Step 4: Simplify right side
    14,050.19x = 74,189,517.35
  5. Step 5: Solve for x
    x = 74,189,517.35/14,050.19
  6. Step 6: Final answer
    x = 5,280.32

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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.