Home / 14,243.78-19,650.04-8,272.22

Finding the Fourth Proportional to 14,243.78, 19,650.04 and 8,272.22

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Solution

The fourth proportional to 14,243.78, 19,650.04 and 8,272.22 is: 11,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.78 : 19,650.04 = 8,272.22 : x
  2. Step 2: Convert to fraction form
    14,243.78/19,650.04 = 8,272.22/x
  3. Step 3: Cross multiply
    14,243.78x = 19,650.04 × 8,272.22
  4. Step 4: Simplify right side
    14,243.78x = 162,549,334.96
  5. Step 5: Solve for x
    x = 162,549,334.96/14,243.78
  6. Step 6: Final answer
    x = 11,411.95

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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.