Home / 18,292.99-27,442.09-5,643.81

Finding the Fourth Proportional to 18,292.99, 27,442.09 and 5,643.81

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Solution

The fourth proportional to 18,292.99, 27,442.09 and 5,643.81 is: 8,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.99 : 27,442.09 = 5,643.81 : x
  2. Step 2: Convert to fraction form
    18,292.99/27,442.09 = 5,643.81/x
  3. Step 3: Cross multiply
    18,292.99x = 27,442.09 × 5,643.81
  4. Step 4: Simplify right side
    18,292.99x = 154,877,949.02
  5. Step 5: Solve for x
    x = 154,877,949.02/18,292.99
  6. Step 6: Final answer
    x = 8,466.52

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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.