Home / 15,523.20-23,309.10-11,829.60

Finding the Fourth Proportional to 15,523.20, 23,309.10 and 11,829.60

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Solution

The fourth proportional to 15,523.20, 23,309.10 and 11,829.60 is: 17,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.20 : 23,309.10 = 11,829.60 : x
  2. Step 2: Convert to fraction form
    15,523.20/23,309.10 = 11,829.60/x
  3. Step 3: Cross multiply
    15,523.20x = 23,309.10 × 11,829.60
  4. Step 4: Simplify right side
    15,523.20x = 275,737,329.36
  5. Step 5: Solve for x
    x = 275,737,329.36/15,523.20
  6. Step 6: Final answer
    x = 17,762.92

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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.