Home / 14,778.47-22,167.71-9,857.72

Finding the Fourth Proportional to 14,778.47, 22,167.71 and 9,857.72

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Solution

The fourth proportional to 14,778.47, 22,167.71 and 9,857.72 is: 14,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.47 : 22,167.71 = 9,857.72 : x
  2. Step 2: Convert to fraction form
    14,778.47/22,167.71 = 9,857.72/x
  3. Step 3: Cross multiply
    14,778.47x = 22,167.71 × 9,857.72
  4. Step 4: Simplify right side
    14,778.47x = 218,523,028.93
  5. Step 5: Solve for x
    x = 218,523,028.93/14,778.47
  6. Step 6: Final answer
    x = 14,786.58

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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.