Home / 16,660.41-22,991.70-9,106.53

Finding the Fourth Proportional to 16,660.41, 22,991.70 and 9,106.53

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Solution

The fourth proportional to 16,660.41, 22,991.70 and 9,106.53 is: 12,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.41 : 22,991.70 = 9,106.53 : x
  2. Step 2: Convert to fraction form
    16,660.41/22,991.70 = 9,106.53/x
  3. Step 3: Cross multiply
    16,660.41x = 22,991.70 × 9,106.53
  4. Step 4: Simplify right side
    16,660.41x = 209,374,605.80
  5. Step 5: Solve for x
    x = 209,374,605.80/16,660.41
  6. Step 6: Final answer
    x = 12,567.19

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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.