Home / 21,903.67-32,864.42-10,209.70

Finding the Fourth Proportional to 21,903.67, 32,864.42 and 10,209.70

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Solution

The fourth proportional to 21,903.67, 32,864.42 and 10,209.70 is: 15,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.67 : 32,864.42 = 10,209.70 : x
  2. Step 2: Convert to fraction form
    21,903.67/32,864.42 = 10,209.70/x
  3. Step 3: Cross multiply
    21,903.67x = 32,864.42 × 10,209.70
  4. Step 4: Simplify right side
    21,903.67x = 335,535,868.87
  5. Step 5: Solve for x
    x = 335,535,868.87/21,903.67
  6. Step 6: Final answer
    x = 15,318.71

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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.