Home / 9,920.19-14,842.72-6,121.73

Finding the Fourth Proportional to 9,920.19, 14,842.72 and 6,121.73

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Solution

The fourth proportional to 9,920.19, 14,842.72 and 6,121.73 is: 9,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.19 : 14,842.72 = 6,121.73 : x
  2. Step 2: Convert to fraction form
    9,920.19/14,842.72 = 6,121.73/x
  3. Step 3: Cross multiply
    9,920.19x = 14,842.72 × 6,121.73
  4. Step 4: Simplify right side
    9,920.19x = 90,863,124.31
  5. Step 5: Solve for x
    x = 90,863,124.31/9,920.19
  6. Step 6: Final answer
    x = 9,159.41

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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.