Home / 15,399.39-23,118.21-10,748.97

Finding the Fourth Proportional to 15,399.39, 23,118.21 and 10,748.97

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Solution

The fourth proportional to 15,399.39, 23,118.21 and 10,748.97 is: 16,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.39 : 23,118.21 = 10,748.97 : x
  2. Step 2: Convert to fraction form
    15,399.39/23,118.21 = 10,748.97/x
  3. Step 3: Cross multiply
    15,399.39x = 23,118.21 × 10,748.97
  4. Step 4: Simplify right side
    15,399.39x = 248,496,945.74
  5. Step 5: Solve for x
    x = 248,496,945.74/15,399.39
  6. Step 6: Final answer
    x = 16,136.81

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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.