Home / 9,644.25-13,320-6,494.97

Finding the Fourth Proportional to 9,644.25, 13,320 and 6,494.97

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Solution

The fourth proportional to 9,644.25, 13,320 and 6,494.97 is: 8,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.25 : 13,320 = 6,494.97 : x
  2. Step 2: Convert to fraction form
    9,644.25/13,320 = 6,494.97/x
  3. Step 3: Cross multiply
    9,644.25x = 13,320 × 6,494.97
  4. Step 4: Simplify right side
    9,644.25x = 86,513,000.40
  5. Step 5: Solve for x
    x = 86,513,000.40/9,644.25
  6. Step 6: Final answer
    x = 8,970.42

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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.