Home / 18,282.40-27,438.16-6,603.76

Finding the Fourth Proportional to 18,282.40, 27,438.16 and 6,603.76

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Solution

The fourth proportional to 18,282.40, 27,438.16 and 6,603.76 is: 9,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.40 : 27,438.16 = 6,603.76 : x
  2. Step 2: Convert to fraction form
    18,282.40/27,438.16 = 6,603.76/x
  3. Step 3: Cross multiply
    18,282.40x = 27,438.16 × 6,603.76
  4. Step 4: Simplify right side
    18,282.40x = 181,195,023.48
  5. Step 5: Solve for x
    x = 181,195,023.48/18,282.40
  6. Step 6: Final answer
    x = 9,910.90

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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.