Home / 15,145.22-22,721.47-6,382.64

Finding the Fourth Proportional to 15,145.22, 22,721.47 and 6,382.64

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Solution

The fourth proportional to 15,145.22, 22,721.47 and 6,382.64 is: 9,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.22 : 22,721.47 = 6,382.64 : x
  2. Step 2: Convert to fraction form
    15,145.22/22,721.47 = 6,382.64/x
  3. Step 3: Cross multiply
    15,145.22x = 22,721.47 × 6,382.64
  4. Step 4: Simplify right side
    15,145.22x = 145,022,963.28
  5. Step 5: Solve for x
    x = 145,022,963.28/15,145.22
  6. Step 6: Final answer
    x = 9,575.49

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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.