Home / 23,169.64-34,749.13-13,812.30

Finding the Fourth Proportional to 23,169.64, 34,749.13 and 13,812.30

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Solution

The fourth proportional to 23,169.64, 34,749.13 and 13,812.30 is: 20,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.64 : 34,749.13 = 13,812.30 : x
  2. Step 2: Convert to fraction form
    23,169.64/34,749.13 = 13,812.30/x
  3. Step 3: Cross multiply
    23,169.64x = 34,749.13 × 13,812.30
  4. Step 4: Simplify right side
    23,169.64x = 479,965,408.30
  5. Step 5: Solve for x
    x = 479,965,408.30/23,169.64
  6. Step 6: Final answer
    x = 20,715.27

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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.