Home / 11,332.40-16,998.80-3,937.10

Finding the Fourth Proportional to 11,332.40, 16,998.80 and 3,937.10

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Solution

The fourth proportional to 11,332.40, 16,998.80 and 3,937.10 is: 5,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.40 : 16,998.80 = 3,937.10 : x
  2. Step 2: Convert to fraction form
    11,332.40/16,998.80 = 3,937.10/x
  3. Step 3: Cross multiply
    11,332.40x = 16,998.80 × 3,937.10
  4. Step 4: Simplify right side
    11,332.40x = 66,925,870.80
  5. Step 5: Solve for x
    x = 66,925,870.80/11,332.40
  6. Step 6: Final answer
    x = 5,905.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.