Home / 13,272.39-19,894.62-6,684.74

Finding the Fourth Proportional to 13,272.39, 19,894.62 and 6,684.74

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Solution

The fourth proportional to 13,272.39, 19,894.62 and 6,684.74 is: 10,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.39 : 19,894.62 = 6,684.74 : x
  2. Step 2: Convert to fraction form
    13,272.39/19,894.62 = 6,684.74/x
  3. Step 3: Cross multiply
    13,272.39x = 19,894.62 × 6,684.74
  4. Step 4: Simplify right side
    13,272.39x = 132,990,362.10
  5. Step 5: Solve for x
    x = 132,990,362.10/13,272.39
  6. Step 6: Final answer
    x = 10,020.08

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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.