Home / 12,366.35-17,065.78-6,701.21

Finding the Fourth Proportional to 12,366.35, 17,065.78 and 6,701.21

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Solution

The fourth proportional to 12,366.35, 17,065.78 and 6,701.21 is: 9,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.35 : 17,065.78 = 6,701.21 : x
  2. Step 2: Convert to fraction form
    12,366.35/17,065.78 = 6,701.21/x
  3. Step 3: Cross multiply
    12,366.35x = 17,065.78 × 6,701.21
  4. Step 4: Simplify right side
    12,366.35x = 114,361,273.51
  5. Step 5: Solve for x
    x = 114,361,273.51/12,366.35
  6. Step 6: Final answer
    x = 9,247.78

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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.