Home / 14,634.83-20,196.11-7,920.45

Finding the Fourth Proportional to 14,634.83, 20,196.11 and 7,920.45

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Solution

The fourth proportional to 14,634.83, 20,196.11 and 7,920.45 is: 10,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.83 : 20,196.11 = 7,920.45 : x
  2. Step 2: Convert to fraction form
    14,634.83/20,196.11 = 7,920.45/x
  3. Step 3: Cross multiply
    14,634.83x = 20,196.11 × 7,920.45
  4. Step 4: Simplify right side
    14,634.83x = 159,962,239.85
  5. Step 5: Solve for x
    x = 159,962,239.85/14,634.83
  6. Step 6: Final answer
    x = 10,930.25

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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.