Home / 9,880.20-14,820.30-6,186.60

Finding the Fourth Proportional to 9,880.20, 14,820.30 and 6,186.60

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Solution

The fourth proportional to 9,880.20, 14,820.30 and 6,186.60 is: 9,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.20 : 14,820.30 = 6,186.60 : x
  2. Step 2: Convert to fraction form
    9,880.20/14,820.30 = 6,186.60/x
  3. Step 3: Cross multiply
    9,880.20x = 14,820.30 × 6,186.60
  4. Step 4: Simplify right side
    9,880.20x = 91,687,267.98
  5. Step 5: Solve for x
    x = 91,687,267.98/9,880.20
  6. Step 6: Final answer
    x = 9,279.90

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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.