Home / 20,541.33-30,811.80-6,501.38

Finding the Fourth Proportional to 20,541.33, 30,811.80 and 6,501.38

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Solution

The fourth proportional to 20,541.33, 30,811.80 and 6,501.38 is: 9,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.33 : 30,811.80 = 6,501.38 : x
  2. Step 2: Convert to fraction form
    20,541.33/30,811.80 = 6,501.38/x
  3. Step 3: Cross multiply
    20,541.33x = 30,811.80 × 6,501.38
  4. Step 4: Simplify right side
    20,541.33x = 200,319,220.28
  5. Step 5: Solve for x
    x = 200,319,220.28/20,541.33
  6. Step 6: Final answer
    x = 9,752.01

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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.