Home / 14,697.11-20,281.60-7,982.52

Finding the Fourth Proportional to 14,697.11, 20,281.60 and 7,982.52

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Solution

The fourth proportional to 14,697.11, 20,281.60 and 7,982.52 is: 11,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.11 : 20,281.60 = 7,982.52 : x
  2. Step 2: Convert to fraction form
    14,697.11/20,281.60 = 7,982.52/x
  3. Step 3: Cross multiply
    14,697.11x = 20,281.60 × 7,982.52
  4. Step 4: Simplify right side
    14,697.11x = 161,898,211.55
  5. Step 5: Solve for x
    x = 161,898,211.55/14,697.11
  6. Step 6: Final answer
    x = 11,015.65

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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.