Home / 20,426.66-30,596.90-9,342.66

Finding the Fourth Proportional to 20,426.66, 30,596.90 and 9,342.66

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Solution

The fourth proportional to 20,426.66, 30,596.90 and 9,342.66 is: 13,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.66 : 30,596.90 = 9,342.66 : x
  2. Step 2: Convert to fraction form
    20,426.66/30,596.90 = 9,342.66/x
  3. Step 3: Cross multiply
    20,426.66x = 30,596.90 × 9,342.66
  4. Step 4: Simplify right side
    20,426.66x = 285,856,387.04
  5. Step 5: Solve for x
    x = 285,856,387.04/20,426.66
  6. Step 6: Final answer
    x = 13,994.28

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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.