Home / 22,712.94-34,070.86-7,131.18

Finding the Fourth Proportional to 22,712.94, 34,070.86 and 7,131.18

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Solution

The fourth proportional to 22,712.94, 34,070.86 and 7,131.18 is: 10,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.94 : 34,070.86 = 7,131.18 : x
  2. Step 2: Convert to fraction form
    22,712.94/34,070.86 = 7,131.18/x
  3. Step 3: Cross multiply
    22,712.94x = 34,070.86 × 7,131.18
  4. Step 4: Simplify right side
    22,712.94x = 242,965,435.41
  5. Step 5: Solve for x
    x = 242,965,435.41/22,712.94
  6. Step 6: Final answer
    x = 10,697.23

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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.