Home / 12,338.45-17,027.45-6,749.45

Finding the Fourth Proportional to 12,338.45, 17,027.45 and 6,749.45

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Solution

The fourth proportional to 12,338.45, 17,027.45 and 6,749.45 is: 9,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.45 : 17,027.45 = 6,749.45 : x
  2. Step 2: Convert to fraction form
    12,338.45/17,027.45 = 6,749.45/x
  3. Step 3: Cross multiply
    12,338.45x = 17,027.45 × 6,749.45
  4. Step 4: Simplify right side
    12,338.45x = 114,925,854.14
  5. Step 5: Solve for x
    x = 114,925,854.14/12,338.45
  6. Step 6: Final answer
    x = 9,314.45

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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.