Home / 15,313.98-22,972.56-4,220.67

Finding the Fourth Proportional to 15,313.98, 22,972.56 and 4,220.67

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Solution

The fourth proportional to 15,313.98, 22,972.56 and 4,220.67 is: 6,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.98 : 22,972.56 = 4,220.67 : x
  2. Step 2: Convert to fraction form
    15,313.98/22,972.56 = 4,220.67/x
  3. Step 3: Cross multiply
    15,313.98x = 22,972.56 × 4,220.67
  4. Step 4: Simplify right side
    15,313.98x = 96,959,458.85
  5. Step 5: Solve for x
    x = 96,959,458.85/15,313.98
  6. Step 6: Final answer
    x = 6,331.43

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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.