Home / 13,920.74-20,884.57-4,060.11

Finding the Fourth Proportional to 13,920.74, 20,884.57 and 4,060.11

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Solution

The fourth proportional to 13,920.74, 20,884.57 and 4,060.11 is: 6,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920.74 : 20,884.57 = 4,060.11 : x
  2. Step 2: Convert to fraction form
    13,920.74/20,884.57 = 4,060.11/x
  3. Step 3: Cross multiply
    13,920.74x = 20,884.57 × 4,060.11
  4. Step 4: Simplify right side
    13,920.74x = 84,793,651.50
  5. Step 5: Solve for x
    x = 84,793,651.50/13,920.74
  6. Step 6: Final answer
    x = 6,091.17

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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.