Home / 18,223.31-27,341.85-7,137.92

Finding the Fourth Proportional to 18,223.31, 27,341.85 and 7,137.92

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Solution

The fourth proportional to 18,223.31, 27,341.85 and 7,137.92 is: 10,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.31 : 27,341.85 = 7,137.92 : x
  2. Step 2: Convert to fraction form
    18,223.31/27,341.85 = 7,137.92/x
  3. Step 3: Cross multiply
    18,223.31x = 27,341.85 × 7,137.92
  4. Step 4: Simplify right side
    18,223.31x = 195,163,937.95
  5. Step 5: Solve for x
    x = 195,163,937.95/18,223.31
  6. Step 6: Final answer
    x = 10,709.58

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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.