Home / 22,720.14-34,080.48-7,137.75

Finding the Fourth Proportional to 22,720.14, 34,080.48 and 7,137.75

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Solution

The fourth proportional to 22,720.14, 34,080.48 and 7,137.75 is: 10,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.14 : 34,080.48 = 7,137.75 : x
  2. Step 2: Convert to fraction form
    22,720.14/34,080.48 = 7,137.75/x
  3. Step 3: Cross multiply
    22,720.14x = 34,080.48 × 7,137.75
  4. Step 4: Simplify right side
    22,720.14x = 243,257,946.12
  5. Step 5: Solve for x
    x = 243,257,946.12/22,720.14
  6. Step 6: Final answer
    x = 10,706.71

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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.