Home / 21,293.91-31,940.87-6,502.03

Finding the Fourth Proportional to 21,293.91, 31,940.87 and 6,502.03

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Solution

The fourth proportional to 21,293.91, 31,940.87 and 6,502.03 is: 9,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.91 : 31,940.87 = 6,502.03 : x
  2. Step 2: Convert to fraction form
    21,293.91/31,940.87 = 6,502.03/x
  3. Step 3: Cross multiply
    21,293.91x = 31,940.87 × 6,502.03
  4. Step 4: Simplify right side
    21,293.91x = 207,680,382.60
  5. Step 5: Solve for x
    x = 207,680,382.60/21,293.91
  6. Step 6: Final answer
    x = 9,753.04

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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.