Home / 15,557.80-23,336.70-5,169.55

Finding the Fourth Proportional to 15,557.80, 23,336.70 and 5,169.55

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Solution

The fourth proportional to 15,557.80, 23,336.70 and 5,169.55 is: 7,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.80 : 23,336.70 = 5,169.55 : x
  2. Step 2: Convert to fraction form
    15,557.80/23,336.70 = 5,169.55/x
  3. Step 3: Cross multiply
    15,557.80x = 23,336.70 × 5,169.55
  4. Step 4: Simplify right side
    15,557.80x = 120,640,237.49
  5. Step 5: Solve for x
    x = 120,640,237.49/15,557.80
  6. Step 6: Final answer
    x = 7,754.33

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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.