Home / 16,185.68-24,287.79-7,420.67

Finding the Fourth Proportional to 16,185.68, 24,287.79 and 7,420.67

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Solution

The fourth proportional to 16,185.68, 24,287.79 and 7,420.67 is: 11,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.68 : 24,287.79 = 7,420.67 : x
  2. Step 2: Convert to fraction form
    16,185.68/24,287.79 = 7,420.67/x
  3. Step 3: Cross multiply
    16,185.68x = 24,287.79 × 7,420.67
  4. Step 4: Simplify right side
    16,185.68x = 180,231,674.62
  5. Step 5: Solve for x
    x = 180,231,674.62/16,185.68
  6. Step 6: Final answer
    x = 11,135.26

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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.