Home / 15,520.80-23,282.09-4,426.64

Finding the Fourth Proportional to 15,520.80, 23,282.09 and 4,426.64

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Solution

The fourth proportional to 15,520.80, 23,282.09 and 4,426.64 is: 6,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.80 : 23,282.09 = 4,426.64 : x
  2. Step 2: Convert to fraction form
    15,520.80/23,282.09 = 4,426.64/x
  3. Step 3: Cross multiply
    15,520.80x = 23,282.09 × 4,426.64
  4. Step 4: Simplify right side
    15,520.80x = 103,061,430.88
  5. Step 5: Solve for x
    x = 103,061,430.88/15,520.80
  6. Step 6: Final answer
    x = 6,640.21

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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.