Home / 23,170.57-34,669.73-13,815.68

Finding the Fourth Proportional to 23,170.57, 34,669.73 and 13,815.68

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Solution

The fourth proportional to 23,170.57, 34,669.73 and 13,815.68 is: 20,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.57 : 34,669.73 = 13,815.68 : x
  2. Step 2: Convert to fraction form
    23,170.57/34,669.73 = 13,815.68/x
  3. Step 3: Cross multiply
    23,170.57x = 34,669.73 × 13,815.68
  4. Step 4: Simplify right side
    23,170.57x = 478,985,756.56
  5. Step 5: Solve for x
    x = 478,985,756.56/23,170.57
  6. Step 6: Final answer
    x = 20,672.16

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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.