Home / 15,203.34-22,778.87-13,662.54

Finding the Fourth Proportional to 15,203.34, 22,778.87 and 13,662.54

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Solution

The fourth proportional to 15,203.34, 22,778.87 and 13,662.54 is: 20,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.34 : 22,778.87 = 13,662.54 : x
  2. Step 2: Convert to fraction form
    15,203.34/22,778.87 = 13,662.54/x
  3. Step 3: Cross multiply
    15,203.34x = 22,778.87 × 13,662.54
  4. Step 4: Simplify right side
    15,203.34x = 311,217,154.22
  5. Step 5: Solve for x
    x = 311,217,154.22/15,203.34
  6. Step 6: Final answer
    x = 20,470.31

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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.