Home / 18,298.80-27,455.40-7,203.60

Finding the Fourth Proportional to 18,298.80, 27,455.40 and 7,203.60

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Solution

The fourth proportional to 18,298.80, 27,455.40 and 7,203.60 is: 10,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.80 : 27,455.40 = 7,203.60 : x
  2. Step 2: Convert to fraction form
    18,298.80/27,455.40 = 7,203.60/x
  3. Step 3: Cross multiply
    18,298.80x = 27,455.40 × 7,203.60
  4. Step 4: Simplify right side
    18,298.80x = 197,777,719.44
  5. Step 5: Solve for x
    x = 197,777,719.44/18,298.80
  6. Step 6: Final answer
    x = 10,808.23

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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.