Home / 18,410.64-27,622.56-9,049.68

Finding the Fourth Proportional to 18,410.64, 27,622.56 and 9,049.68

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Solution

The fourth proportional to 18,410.64, 27,622.56 and 9,049.68 is: 13,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.64 : 27,622.56 = 9,049.68 : x
  2. Step 2: Convert to fraction form
    18,410.64/27,622.56 = 9,049.68/x
  3. Step 3: Cross multiply
    18,410.64x = 27,622.56 × 9,049.68
  4. Step 4: Simplify right side
    18,410.64x = 249,975,328.78
  5. Step 5: Solve for x
    x = 249,975,328.78/18,410.64
  6. Step 6: Final answer
    x = 13,577.76

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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.