Home / 10,720.12-14,794.62-6,739.96

Finding the Fourth Proportional to 10,720.12, 14,794.62 and 6,739.96

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Solution

The fourth proportional to 10,720.12, 14,794.62 and 6,739.96 is: 9,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.12 : 14,794.62 = 6,739.96 : x
  2. Step 2: Convert to fraction form
    10,720.12/14,794.62 = 6,739.96/x
  3. Step 3: Cross multiply
    10,720.12x = 14,794.62 × 6,739.96
  4. Step 4: Simplify right side
    10,720.12x = 99,715,147.02
  5. Step 5: Solve for x
    x = 99,715,147.02/10,720.12
  6. Step 6: Final answer
    x = 9,301.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.