Home / 21,294.18-31,940.60-6,502.50

Finding the Fourth Proportional to 21,294.18, 31,940.60 and 6,502.50

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Solution

The fourth proportional to 21,294.18, 31,940.60 and 6,502.50 is: 9,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.18 : 31,940.60 = 6,502.50 : x
  2. Step 2: Convert to fraction form
    21,294.18/31,940.60 = 6,502.50/x
  3. Step 3: Cross multiply
    21,294.18x = 31,940.60 × 6,502.50
  4. Step 4: Simplify right side
    21,294.18x = 207,693,718.99
  5. Step 5: Solve for x
    x = 207,693,718.99/21,294.18
  6. Step 6: Final answer
    x = 9,753.54

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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.