Home / 22,720.55-34,086.51-7,929.59

Finding the Fourth Proportional to 22,720.55, 34,086.51 and 7,929.59

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Solution

The fourth proportional to 22,720.55, 34,086.51 and 7,929.59 is: 11,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.55 : 34,086.51 = 7,929.59 : x
  2. Step 2: Convert to fraction form
    22,720.55/34,086.51 = 7,929.59/x
  3. Step 3: Cross multiply
    22,720.55x = 34,086.51 × 7,929.59
  4. Step 4: Simplify right side
    22,720.55x = 270,291,878.40
  5. Step 5: Solve for x
    x = 270,291,878.40/22,720.55
  6. Step 6: Final answer
    x = 11,896.36

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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.