Home / 21,000.62-31,489.95-6,207.54

Finding the Fourth Proportional to 21,000.62, 31,489.95 and 6,207.54

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Solution

The fourth proportional to 21,000.62, 31,489.95 and 6,207.54 is: 9,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000.62 : 31,489.95 = 6,207.54 : x
  2. Step 2: Convert to fraction form
    21,000.62/31,489.95 = 6,207.54/x
  3. Step 3: Cross multiply
    21,000.62x = 31,489.95 × 6,207.54
  4. Step 4: Simplify right side
    21,000.62x = 195,475,124.22
  5. Step 5: Solve for x
    x = 195,475,124.22/21,000.62
  6. Step 6: Final answer
    x = 9,308.06

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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.