Home / 21,204.29-31,817.37-8,733.53

Finding the Fourth Proportional to 21,204.29, 31,817.37 and 8,733.53

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Solution

The fourth proportional to 21,204.29, 31,817.37 and 8,733.53 is: 13,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.29 : 31,817.37 = 8,733.53 : x
  2. Step 2: Convert to fraction form
    21,204.29/31,817.37 = 8,733.53/x
  3. Step 3: Cross multiply
    21,204.29x = 31,817.37 × 8,733.53
  4. Step 4: Simplify right side
    21,204.29x = 277,877,955.42
  5. Step 5: Solve for x
    x = 277,877,955.42/21,204.29
  6. Step 6: Final answer
    x = 13,104.80

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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.