Home / 18,265.90-27,390.34-6,577.60

Finding the Fourth Proportional to 18,265.90, 27,390.34 and 6,577.60

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Solution

The fourth proportional to 18,265.90, 27,390.34 and 6,577.60 is: 9,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.90 : 27,390.34 = 6,577.60 : x
  2. Step 2: Convert to fraction form
    18,265.90/27,390.34 = 6,577.60/x
  3. Step 3: Cross multiply
    18,265.90x = 27,390.34 × 6,577.60
  4. Step 4: Simplify right side
    18,265.90x = 180,162,700.38
  5. Step 5: Solve for x
    x = 180,162,700.38/18,265.90
  6. Step 6: Final answer
    x = 9,863.34

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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.