Home / 14,772.93-20,388.60-9,395.88

Finding the Fourth Proportional to 14,772.93, 20,388.60 and 9,395.88

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Solution

The fourth proportional to 14,772.93, 20,388.60 and 9,395.88 is: 12,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.93 : 20,388.60 = 9,395.88 : x
  2. Step 2: Convert to fraction form
    14,772.93/20,388.60 = 9,395.88/x
  3. Step 3: Cross multiply
    14,772.93x = 20,388.60 × 9,395.88
  4. Step 4: Simplify right side
    14,772.93x = 191,568,838.97
  5. Step 5: Solve for x
    x = 191,568,838.97/14,772.93
  6. Step 6: Final answer
    x = 12,967.56

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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.