Home / 17,946.90-24,766.70-9,989.82

Finding the Fourth Proportional to 17,946.90, 24,766.70 and 9,989.82

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Solution

The fourth proportional to 17,946.90, 24,766.70 and 9,989.82 is: 13,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.90 : 24,766.70 = 9,989.82 : x
  2. Step 2: Convert to fraction form
    17,946.90/24,766.70 = 9,989.82/x
  3. Step 3: Cross multiply
    17,946.90x = 24,766.70 × 9,989.82
  4. Step 4: Simplify right side
    17,946.90x = 247,414,825.04
  5. Step 5: Solve for x
    x = 247,414,825.04/17,946.90
  6. Step 6: Final answer
    x = 13,785.94

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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.