Home / 15,674.20-23,511.30-5,144.20

Finding the Fourth Proportional to 15,674.20, 23,511.30 and 5,144.20

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Solution

The fourth proportional to 15,674.20, 23,511.30 and 5,144.20 is: 7,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.20 : 23,511.30 = 5,144.20 : x
  2. Step 2: Convert to fraction form
    15,674.20/23,511.30 = 5,144.20/x
  3. Step 3: Cross multiply
    15,674.20x = 23,511.30 × 5,144.20
  4. Step 4: Simplify right side
    15,674.20x = 120,946,829.46
  5. Step 5: Solve for x
    x = 120,946,829.46/15,674.20
  6. Step 6: Final answer
    x = 7,716.30

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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.