Home / 18,428.40-27,622.87-9,534.76

Finding the Fourth Proportional to 18,428.40, 27,622.87 and 9,534.76

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Solution

The fourth proportional to 18,428.40, 27,622.87 and 9,534.76 is: 14,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.40 : 27,622.87 = 9,534.76 : x
  2. Step 2: Convert to fraction form
    18,428.40/27,622.87 = 9,534.76/x
  3. Step 3: Cross multiply
    18,428.40x = 27,622.87 × 9,534.76
  4. Step 4: Simplify right side
    18,428.40x = 263,377,435.96
  5. Step 5: Solve for x
    x = 263,377,435.96/18,428.40
  6. Step 6: Final answer
    x = 14,291.93

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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.