Home / 18,338.18-27,507.50-5,858.15

Finding the Fourth Proportional to 18,338.18, 27,507.50 and 5,858.15

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Solution

The fourth proportional to 18,338.18, 27,507.50 and 5,858.15 is: 8,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.18 : 27,507.50 = 5,858.15 : x
  2. Step 2: Convert to fraction form
    18,338.18/27,507.50 = 5,858.15/x
  3. Step 3: Cross multiply
    18,338.18x = 27,507.50 × 5,858.15
  4. Step 4: Simplify right side
    18,338.18x = 161,142,894.30
  5. Step 5: Solve for x
    x = 161,142,894.30/18,338.18
  6. Step 6: Final answer
    x = 8,787.29

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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.