Home / 15,208.80-22,783.44-13,557.60

Finding the Fourth Proportional to 15,208.80, 22,783.44 and 13,557.60

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Solution

The fourth proportional to 15,208.80, 22,783.44 and 13,557.60 is: 20,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.80 : 22,783.44 = 13,557.60 : x
  2. Step 2: Convert to fraction form
    15,208.80/22,783.44 = 13,557.60/x
  3. Step 3: Cross multiply
    15,208.80x = 22,783.44 × 13,557.60
  4. Step 4: Simplify right side
    15,208.80x = 308,888,766.14
  5. Step 5: Solve for x
    x = 308,888,766.14/15,208.80
  6. Step 6: Final answer
    x = 20,309.87

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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.