Home / 10,191.88-15,289.98-3,271.24

Finding the Fourth Proportional to 10,191.88, 15,289.98 and 3,271.24

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Solution

The fourth proportional to 10,191.88, 15,289.98 and 3,271.24 is: 4,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.88 : 15,289.98 = 3,271.24 : x
  2. Step 2: Convert to fraction form
    10,191.88/15,289.98 = 3,271.24/x
  3. Step 3: Cross multiply
    10,191.88x = 15,289.98 × 3,271.24
  4. Step 4: Simplify right side
    10,191.88x = 50,017,194.18
  5. Step 5: Solve for x
    x = 50,017,194.18/10,191.88
  6. Step 6: Final answer
    x = 4,907.55

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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.