Home / 12,622.48-18,941.28-5,227.04

Finding the Fourth Proportional to 12,622.48, 18,941.28 and 5,227.04

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Solution

The fourth proportional to 12,622.48, 18,941.28 and 5,227.04 is: 7,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.48 : 18,941.28 = 5,227.04 : x
  2. Step 2: Convert to fraction form
    12,622.48/18,941.28 = 5,227.04/x
  3. Step 3: Cross multiply
    12,622.48x = 18,941.28 × 5,227.04
  4. Step 4: Simplify right side
    12,622.48x = 99,006,828.21
  5. Step 5: Solve for x
    x = 99,006,828.21/12,622.48
  6. Step 6: Final answer
    x = 7,843.69

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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.