Home / 16,724.20-25,115.10-11,828.20

Finding the Fourth Proportional to 16,724.20, 25,115.10 and 11,828.20

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Solution

The fourth proportional to 16,724.20, 25,115.10 and 11,828.20 is: 17,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.20 : 25,115.10 = 11,828.20 : x
  2. Step 2: Convert to fraction form
    16,724.20/25,115.10 = 11,828.20/x
  3. Step 3: Cross multiply
    16,724.20x = 25,115.10 × 11,828.20
  4. Step 4: Simplify right side
    16,724.20x = 297,066,425.82
  5. Step 5: Solve for x
    x = 297,066,425.82/16,724.20
  6. Step 6: Final answer
    x = 17,762.67

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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.