Home / 14,697.20-20,282.18-7,982.94

Finding the Fourth Proportional to 14,697.20, 20,282.18 and 7,982.94

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Solution

The fourth proportional to 14,697.20, 20,282.18 and 7,982.94 is: 11,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.20 : 20,282.18 = 7,982.94 : x
  2. Step 2: Convert to fraction form
    14,697.20/20,282.18 = 7,982.94/x
  3. Step 3: Cross multiply
    14,697.20x = 20,282.18 × 7,982.94
  4. Step 4: Simplify right side
    14,697.20x = 161,911,426.01
  5. Step 5: Solve for x
    x = 161,911,426.01/14,697.20
  6. Step 6: Final answer
    x = 11,016.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.