Home / 18,436.24-27,650.28-5,285.68

Finding the Fourth Proportional to 18,436.24, 27,650.28 and 5,285.68

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Solution

The fourth proportional to 18,436.24, 27,650.28 and 5,285.68 is: 7,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.24 : 27,650.28 = 5,285.68 : x
  2. Step 2: Convert to fraction form
    18,436.24/27,650.28 = 5,285.68/x
  3. Step 3: Cross multiply
    18,436.24x = 27,650.28 × 5,285.68
  4. Step 4: Simplify right side
    18,436.24x = 146,150,531.99
  5. Step 5: Solve for x
    x = 146,150,531.99/18,436.24
  6. Step 6: Final answer
    x = 7,927.35

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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.