Home / 20,802.69-31,204.03-6,951.69

Finding the Fourth Proportional to 20,802.69, 31,204.03 and 6,951.69

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Solution

The fourth proportional to 20,802.69, 31,204.03 and 6,951.69 is: 10,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.69 : 31,204.03 = 6,951.69 : x
  2. Step 2: Convert to fraction form
    20,802.69/31,204.03 = 6,951.69/x
  3. Step 3: Cross multiply
    20,802.69x = 31,204.03 × 6,951.69
  4. Step 4: Simplify right side
    20,802.69x = 216,920,743.31
  5. Step 5: Solve for x
    x = 216,920,743.31/20,802.69
  6. Step 6: Final answer
    x = 10,427.53

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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.