Home / 12,338.16-17,027.04-6,749.28

Finding the Fourth Proportional to 12,338.16, 17,027.04 and 6,749.28

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Solution

The fourth proportional to 12,338.16, 17,027.04 and 6,749.28 is: 9,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.16 : 17,027.04 = 6,749.28 : x
  2. Step 2: Convert to fraction form
    12,338.16/17,027.04 = 6,749.28/x
  3. Step 3: Cross multiply
    12,338.16x = 17,027.04 × 6,749.28
  4. Step 4: Simplify right side
    12,338.16x = 114,920,260.53
  5. Step 5: Solve for x
    x = 114,920,260.53/12,338.16
  6. Step 6: Final answer
    x = 9,314.21

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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.