Home / 15,018.80-22,513.20-7,107.22

Finding the Fourth Proportional to 15,018.80, 22,513.20 and 7,107.22

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Solution

The fourth proportional to 15,018.80, 22,513.20 and 7,107.22 is: 10,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.80 : 22,513.20 = 7,107.22 : x
  2. Step 2: Convert to fraction form
    15,018.80/22,513.20 = 7,107.22/x
  3. Step 3: Cross multiply
    15,018.80x = 22,513.20 × 7,107.22
  4. Step 4: Simplify right side
    15,018.80x = 160,006,265.30
  5. Step 5: Solve for x
    x = 160,006,265.30/15,018.80
  6. Step 6: Final answer
    x = 10,653.73

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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.