Home / 21,266.74-31,904.89-6,476.83

Finding the Fourth Proportional to 21,266.74, 31,904.89 and 6,476.83

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Solution

The fourth proportional to 21,266.74, 31,904.89 and 6,476.83 is: 9,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.74 : 31,904.89 = 6,476.83 : x
  2. Step 2: Convert to fraction form
    21,266.74/31,904.89 = 6,476.83/x
  3. Step 3: Cross multiply
    21,266.74x = 31,904.89 × 6,476.83
  4. Step 4: Simplify right side
    21,266.74x = 206,642,548.70
  5. Step 5: Solve for x
    x = 206,642,548.70/21,266.74
  6. Step 6: Final answer
    x = 9,716.70

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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.