Home / 9,711.20-14,566.80-4,163.60

Finding the Fourth Proportional to 9,711.20, 14,566.80 and 4,163.60

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Solution

The fourth proportional to 9,711.20, 14,566.80 and 4,163.60 is: 6,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.20 : 14,566.80 = 4,163.60 : x
  2. Step 2: Convert to fraction form
    9,711.20/14,566.80 = 4,163.60/x
  3. Step 3: Cross multiply
    9,711.20x = 14,566.80 × 4,163.60
  4. Step 4: Simplify right side
    9,711.20x = 60,650,328.48
  5. Step 5: Solve for x
    x = 60,650,328.48/9,711.20
  6. Step 6: Final answer
    x = 6,245.40

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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.