Home / 12,944.39-19,388.12-10,697.76

Finding the Fourth Proportional to 12,944.39, 19,388.12 and 10,697.76

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Solution

The fourth proportional to 12,944.39, 19,388.12 and 10,697.76 is: 16,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.39 : 19,388.12 = 10,697.76 : x
  2. Step 2: Convert to fraction form
    12,944.39/19,388.12 = 10,697.76/x
  3. Step 3: Cross multiply
    12,944.39x = 19,388.12 × 10,697.76
  4. Step 4: Simplify right side
    12,944.39x = 207,409,454.61
  5. Step 5: Solve for x
    x = 207,409,454.61/12,944.39
  6. Step 6: Final answer
    x = 16,023.12

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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.