Home / 18,019.97-27,030.64-4,872.34

Finding the Fourth Proportional to 18,019.97, 27,030.64 and 4,872.34

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Solution

The fourth proportional to 18,019.97, 27,030.64 and 4,872.34 is: 7,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.97 : 27,030.64 = 4,872.34 : x
  2. Step 2: Convert to fraction form
    18,019.97/27,030.64 = 4,872.34/x
  3. Step 3: Cross multiply
    18,019.97x = 27,030.64 × 4,872.34
  4. Step 4: Simplify right side
    18,019.97x = 131,702,468.50
  5. Step 5: Solve for x
    x = 131,702,468.50/18,019.97
  6. Step 6: Final answer
    x = 7,308.70

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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.