Home / 12,252.72-16,889.10-8,266.91

Finding the Fourth Proportional to 12,252.72, 16,889.10 and 8,266.91

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Solution

The fourth proportional to 12,252.72, 16,889.10 and 8,266.91 is: 11,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.72 : 16,889.10 = 8,266.91 : x
  2. Step 2: Convert to fraction form
    12,252.72/16,889.10 = 8,266.91/x
  3. Step 3: Cross multiply
    12,252.72x = 16,889.10 × 8,266.91
  4. Step 4: Simplify right side
    12,252.72x = 139,620,585.24
  5. Step 5: Solve for x
    x = 139,620,585.24/12,252.72
  6. Step 6: Final answer
    x = 11,395.07

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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.