Home / 11,707.50-16,154.43-6,671.79

Finding the Fourth Proportional to 11,707.50, 16,154.43 and 6,671.79

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Solution

The fourth proportional to 11,707.50, 16,154.43 and 6,671.79 is: 9,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.50 : 16,154.43 = 6,671.79 : x
  2. Step 2: Convert to fraction form
    11,707.50/16,154.43 = 6,671.79/x
  3. Step 3: Cross multiply
    11,707.50x = 16,154.43 × 6,671.79
  4. Step 4: Simplify right side
    11,707.50x = 107,778,964.53
  5. Step 5: Solve for x
    x = 107,778,964.53/11,707.50
  6. Step 6: Final answer
    x = 9,205.98

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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.