Home / 18,435.15-27,657.59-5,288.58

Finding the Fourth Proportional to 18,435.15, 27,657.59 and 5,288.58

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Solution

The fourth proportional to 18,435.15, 27,657.59 and 5,288.58 is: 7,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.15 : 27,657.59 = 5,288.58 : x
  2. Step 2: Convert to fraction form
    18,435.15/27,657.59 = 5,288.58/x
  3. Step 3: Cross multiply
    18,435.15x = 27,657.59 × 5,288.58
  4. Step 4: Simplify right side
    18,435.15x = 146,269,350.88
  5. Step 5: Solve for x
    x = 146,269,350.88/18,435.15
  6. Step 6: Final answer
    x = 7,934.26

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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.