Home / 15,601.20-23,401.80-15,455.40

Finding the Fourth Proportional to 15,601.20, 23,401.80 and 15,455.40

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Solution

The fourth proportional to 15,601.20, 23,401.80 and 15,455.40 is: 23,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.20 : 23,401.80 = 15,455.40 : x
  2. Step 2: Convert to fraction form
    15,601.20/23,401.80 = 15,455.40/x
  3. Step 3: Cross multiply
    15,601.20x = 23,401.80 × 15,455.40
  4. Step 4: Simplify right side
    15,601.20x = 361,684,179.72
  5. Step 5: Solve for x
    x = 361,684,179.72/15,601.20
  6. Step 6: Final answer
    x = 23,183.10

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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.