Home / 9,756.20-14,634.30-9,180.20

Finding the Fourth Proportional to 9,756.20, 14,634.30 and 9,180.20

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Solution

The fourth proportional to 9,756.20, 14,634.30 and 9,180.20 is: 13,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.20 : 14,634.30 = 9,180.20 : x
  2. Step 2: Convert to fraction form
    9,756.20/14,634.30 = 9,180.20/x
  3. Step 3: Cross multiply
    9,756.20x = 14,634.30 × 9,180.20
  4. Step 4: Simplify right side
    9,756.20x = 134,345,800.86
  5. Step 5: Solve for x
    x = 134,345,800.86/9,756.20
  6. Step 6: Final answer
    x = 13,770.30

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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.