Home / 18,622.07-27,927.17-6,139.77

Finding the Fourth Proportional to 18,622.07, 27,927.17 and 6,139.77

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Solution

The fourth proportional to 18,622.07, 27,927.17 and 6,139.77 is: 9,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.07 : 27,927.17 = 6,139.77 : x
  2. Step 2: Convert to fraction form
    18,622.07/27,927.17 = 6,139.77/x
  3. Step 3: Cross multiply
    18,622.07x = 27,927.17 × 6,139.77
  4. Step 4: Simplify right side
    18,622.07x = 171,466,260.92
  5. Step 5: Solve for x
    x = 171,466,260.92/18,622.07
  6. Step 6: Final answer
    x = 9,207.69

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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.