Home / 21,298.44-31,938.33-6,503.94

Finding the Fourth Proportional to 21,298.44, 31,938.33 and 6,503.94

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Solution

The fourth proportional to 21,298.44, 31,938.33 and 6,503.94 is: 9,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298.44 : 31,938.33 = 6,503.94 : x
  2. Step 2: Convert to fraction form
    21,298.44/31,938.33 = 6,503.94/x
  3. Step 3: Cross multiply
    21,298.44x = 31,938.33 × 6,503.94
  4. Step 4: Simplify right side
    21,298.44x = 207,724,982.02
  5. Step 5: Solve for x
    x = 207,724,982.02/21,298.44
  6. Step 6: Final answer
    x = 9,753.06

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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.