Home / 20,996.34-31,476.30-7,848.84

Finding the Fourth Proportional to 20,996.34, 31,476.30 and 7,848.84

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Solution

The fourth proportional to 20,996.34, 31,476.30 and 7,848.84 is: 11,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996.34 : 31,476.30 = 7,848.84 : x
  2. Step 2: Convert to fraction form
    20,996.34/31,476.30 = 7,848.84/x
  3. Step 3: Cross multiply
    20,996.34x = 31,476.30 × 7,848.84
  4. Step 4: Simplify right side
    20,996.34x = 247,052,442.49
  5. Step 5: Solve for x
    x = 247,052,442.49/20,996.34
  6. Step 6: Final answer
    x = 11,766.45

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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.