Home / 20,476.50-30,714.73-6,437.54

Finding the Fourth Proportional to 20,476.50, 30,714.73 and 6,437.54

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Solution

The fourth proportional to 20,476.50, 30,714.73 and 6,437.54 is: 9,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.50 : 30,714.73 = 6,437.54 : x
  2. Step 2: Convert to fraction form
    20,476.50/30,714.73 = 6,437.54/x
  3. Step 3: Cross multiply
    20,476.50x = 30,714.73 × 6,437.54
  4. Step 4: Simplify right side
    20,476.50x = 197,727,363.66
  5. Step 5: Solve for x
    x = 197,727,363.66/20,476.50
  6. Step 6: Final answer
    x = 9,656.31

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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.