Home / 20,441.05-30,661.60-9,344.76

Finding the Fourth Proportional to 20,441.05, 30,661.60 and 9,344.76

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Solution

The fourth proportional to 20,441.05, 30,661.60 and 9,344.76 is: 14,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.05 : 30,661.60 = 9,344.76 : x
  2. Step 2: Convert to fraction form
    20,441.05/30,661.60 = 9,344.76/x
  3. Step 3: Cross multiply
    20,441.05x = 30,661.60 × 9,344.76
  4. Step 4: Simplify right side
    20,441.05x = 286,525,269.85
  5. Step 5: Solve for x
    x = 286,525,269.85/20,441.05
  6. Step 6: Final answer
    x = 14,017.15

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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.