Home / 15,190.60-22,829.10-13,289.80

Finding the Fourth Proportional to 15,190.60, 22,829.10 and 13,289.80

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Solution

The fourth proportional to 15,190.60, 22,829.10 and 13,289.80 is: 19,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.60 : 22,829.10 = 13,289.80 : x
  2. Step 2: Convert to fraction form
    15,190.60/22,829.10 = 13,289.80/x
  3. Step 3: Cross multiply
    15,190.60x = 22,829.10 × 13,289.80
  4. Step 4: Simplify right side
    15,190.60x = 303,394,173.18
  5. Step 5: Solve for x
    x = 303,394,173.18/15,190.60
  6. Step 6: Final answer
    x = 19,972.49

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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.