Home / 20,904.68-31,337.79-9,050.97

Finding the Fourth Proportional to 20,904.68, 31,337.79 and 9,050.97

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Solution

The fourth proportional to 20,904.68, 31,337.79 and 9,050.97 is: 13,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.68 : 31,337.79 = 9,050.97 : x
  2. Step 2: Convert to fraction form
    20,904.68/31,337.79 = 9,050.97/x
  3. Step 3: Cross multiply
    20,904.68x = 31,337.79 × 9,050.97
  4. Step 4: Simplify right side
    20,904.68x = 283,637,480.73
  5. Step 5: Solve for x
    x = 283,637,480.73/20,904.68
  6. Step 6: Final answer
    x = 13,568.13

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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.