Home / 18,618.22-27,927.69-14,903.20

Finding the Fourth Proportional to 18,618.22, 27,927.69 and 14,903.20

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Solution

The fourth proportional to 18,618.22, 27,927.69 and 14,903.20 is: 22,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.22 : 27,927.69 = 14,903.20 : x
  2. Step 2: Convert to fraction form
    18,618.22/27,927.69 = 14,903.20/x
  3. Step 3: Cross multiply
    18,618.22x = 27,927.69 × 14,903.20
  4. Step 4: Simplify right side
    18,618.22x = 416,211,949.61
  5. Step 5: Solve for x
    x = 416,211,949.61/18,618.22
  6. Step 6: Final answer
    x = 22,355.09

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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.