Home / 12,290.47-16,960.87-6,701.47

Finding the Fourth Proportional to 12,290.47, 16,960.87 and 6,701.47

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Solution

The fourth proportional to 12,290.47, 16,960.87 and 6,701.47 is: 9,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.47 : 16,960.87 = 6,701.47 : x
  2. Step 2: Convert to fraction form
    12,290.47/16,960.87 = 6,701.47/x
  3. Step 3: Cross multiply
    12,290.47x = 16,960.87 × 6,701.47
  4. Step 4: Simplify right side
    12,290.47x = 113,662,727.97
  5. Step 5: Solve for x
    x = 113,662,727.97/12,290.47
  6. Step 6: Final answer
    x = 9,248.04

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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.