Home / 15,416.39-23,099.99-9,161.57

Finding the Fourth Proportional to 15,416.39, 23,099.99 and 9,161.57

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Solution

The fourth proportional to 15,416.39, 23,099.99 and 9,161.57 is: 13,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.39 : 23,099.99 = 9,161.57 : x
  2. Step 2: Convert to fraction form
    15,416.39/23,099.99 = 9,161.57/x
  3. Step 3: Cross multiply
    15,416.39x = 23,099.99 × 9,161.57
  4. Step 4: Simplify right side
    15,416.39x = 211,632,187.33
  5. Step 5: Solve for x
    x = 211,632,187.33/15,416.39
  6. Step 6: Final answer
    x = 13,727.74

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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.