Home / 18,298.02-27,440.88-7,201.80

Finding the Fourth Proportional to 18,298.02, 27,440.88 and 7,201.80

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Solution

The fourth proportional to 18,298.02, 27,440.88 and 7,201.80 is: 10,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.02 : 27,440.88 = 7,201.80 : x
  2. Step 2: Convert to fraction form
    18,298.02/27,440.88 = 7,201.80/x
  3. Step 3: Cross multiply
    18,298.02x = 27,440.88 × 7,201.80
  4. Step 4: Simplify right side
    18,298.02x = 197,623,729.58
  5. Step 5: Solve for x
    x = 197,623,729.58/18,298.02
  6. Step 6: Final answer
    x = 10,800.28

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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.