Home / 18,429.40-27,624.36-9,535.76

Finding the Fourth Proportional to 18,429.40, 27,624.36 and 9,535.76

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Solution

The fourth proportional to 18,429.40, 27,624.36 and 9,535.76 is: 14,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.40 : 27,624.36 = 9,535.76 : x
  2. Step 2: Convert to fraction form
    18,429.40/27,624.36 = 9,535.76/x
  3. Step 3: Cross multiply
    18,429.40x = 27,624.36 × 9,535.76
  4. Step 4: Simplify right side
    18,429.40x = 263,419,267.11
  5. Step 5: Solve for x
    x = 263,419,267.11/18,429.40
  6. Step 6: Final answer
    x = 14,293.43

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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.