Home / 9,946.20-13,725.80-5,470.23

Finding the Fourth Proportional to 9,946.20, 13,725.80 and 5,470.23

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Solution

The fourth proportional to 9,946.20, 13,725.80 and 5,470.23 is: 7,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.20 : 13,725.80 = 5,470.23 : x
  2. Step 2: Convert to fraction form
    9,946.20/13,725.80 = 5,470.23/x
  3. Step 3: Cross multiply
    9,946.20x = 13,725.80 × 5,470.23
  4. Step 4: Simplify right side
    9,946.20x = 75,083,282.93
  5. Step 5: Solve for x
    x = 75,083,282.93/9,946.20
  6. Step 6: Final answer
    x = 7,548.94

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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.