Home / 11,705.40-16,154.97-6,671.43

Finding the Fourth Proportional to 11,705.40, 16,154.97 and 6,671.43

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Solution

The fourth proportional to 11,705.40, 16,154.97 and 6,671.43 is: 9,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.40 : 16,154.97 = 6,671.43 : x
  2. Step 2: Convert to fraction form
    11,705.40/16,154.97 = 6,671.43/x
  3. Step 3: Cross multiply
    11,705.40x = 16,154.97 × 6,671.43
  4. Step 4: Simplify right side
    11,705.40x = 107,776,751.51
  5. Step 5: Solve for x
    x = 107,776,751.51/11,705.40
  6. Step 6: Final answer
    x = 9,207.44

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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.