Home / 18,520.06-27,775.15-5,192.26

Finding the Fourth Proportional to 18,520.06, 27,775.15 and 5,192.26

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Solution

The fourth proportional to 18,520.06, 27,775.15 and 5,192.26 is: 7,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.06 : 27,775.15 = 5,192.26 : x
  2. Step 2: Convert to fraction form
    18,520.06/27,775.15 = 5,192.26/x
  3. Step 3: Cross multiply
    18,520.06x = 27,775.15 × 5,192.26
  4. Step 4: Simplify right side
    18,520.06x = 144,215,800.34
  5. Step 5: Solve for x
    x = 144,215,800.34/18,520.06
  6. Step 6: Final answer
    x = 7,787.01

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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.