Home / 21,292.40-31,944.83-6,299.91

Finding the Fourth Proportional to 21,292.40, 31,944.83 and 6,299.91

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Solution

The fourth proportional to 21,292.40, 31,944.83 and 6,299.91 is: 9,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.40 : 31,944.83 = 6,299.91 : x
  2. Step 2: Convert to fraction form
    21,292.40/31,944.83 = 6,299.91/x
  3. Step 3: Cross multiply
    21,292.40x = 31,944.83 × 6,299.91
  4. Step 4: Simplify right side
    21,292.40x = 201,249,522.47
  5. Step 5: Solve for x
    x = 201,249,522.47/21,292.40
  6. Step 6: Final answer
    x = 9,451.71

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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.