Home / 20,432.12-30,648.00-6,392.27

Finding the Fourth Proportional to 20,432.12, 30,648.00 and 6,392.27

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Solution

The fourth proportional to 20,432.12, 30,648.00 and 6,392.27 is: 9,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.12 : 30,648.00 = 6,392.27 : x
  2. Step 2: Convert to fraction form
    20,432.12/30,648.00 = 6,392.27/x
  3. Step 3: Cross multiply
    20,432.12x = 30,648.00 × 6,392.27
  4. Step 4: Simplify right side
    20,432.12x = 195,910,165.22
  5. Step 5: Solve for x
    x = 195,910,165.22/20,432.12
  6. Step 6: Final answer
    x = 9,588.34

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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.