Home / 13,944.67-20,881.35-7,697.75

Finding the Fourth Proportional to 13,944.67, 20,881.35 and 7,697.75

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Solution

The fourth proportional to 13,944.67, 20,881.35 and 7,697.75 is: 11,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.67 : 20,881.35 = 7,697.75 : x
  2. Step 2: Convert to fraction form
    13,944.67/20,881.35 = 7,697.75/x
  3. Step 3: Cross multiply
    13,944.67x = 20,881.35 × 7,697.75
  4. Step 4: Simplify right side
    13,944.67x = 160,739,411.96
  5. Step 5: Solve for x
    x = 160,739,411.96/13,944.67
  6. Step 6: Final answer
    x = 11,526.94

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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.