Home / 9,421.11-14,133.78-3,180.90

Finding the Fourth Proportional to 9,421.11, 14,133.78 and 3,180.90

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Solution

The fourth proportional to 9,421.11, 14,133.78 and 3,180.90 is: 4,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.11 : 14,133.78 = 3,180.90 : x
  2. Step 2: Convert to fraction form
    9,421.11/14,133.78 = 3,180.90/x
  3. Step 3: Cross multiply
    9,421.11x = 14,133.78 × 3,180.90
  4. Step 4: Simplify right side
    9,421.11x = 44,958,140.80
  5. Step 5: Solve for x
    x = 44,958,140.80/9,421.11
  6. Step 6: Final answer
    x = 4,772.06

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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.