Home / 9,760.22-14,640.60-6,642.80

Finding the Fourth Proportional to 9,760.22, 14,640.60 and 6,642.80

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Solution

The fourth proportional to 9,760.22, 14,640.60 and 6,642.80 is: 9,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.22 : 14,640.60 = 6,642.80 : x
  2. Step 2: Convert to fraction form
    9,760.22/14,640.60 = 6,642.80/x
  3. Step 3: Cross multiply
    9,760.22x = 14,640.60 × 6,642.80
  4. Step 4: Simplify right side
    9,760.22x = 97,254,577.68
  5. Step 5: Solve for x
    x = 97,254,577.68/9,760.22
  6. Step 6: Final answer
    x = 9,964.38

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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.