Home / 12,106.34-16,712.97-8,373.86

Finding the Fourth Proportional to 12,106.34, 16,712.97 and 8,373.86

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Solution

The fourth proportional to 12,106.34, 16,712.97 and 8,373.86 is: 11,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.34 : 16,712.97 = 8,373.86 : x
  2. Step 2: Convert to fraction form
    12,106.34/16,712.97 = 8,373.86/x
  3. Step 3: Cross multiply
    12,106.34x = 16,712.97 × 8,373.86
  4. Step 4: Simplify right side
    12,106.34x = 139,952,070.96
  5. Step 5: Solve for x
    x = 139,952,070.96/12,106.34
  6. Step 6: Final answer
    x = 11,560.23

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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.