Home / 12,296.16-16,945.10-8,512.31

Finding the Fourth Proportional to 12,296.16, 16,945.10 and 8,512.31

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Solution

The fourth proportional to 12,296.16, 16,945.10 and 8,512.31 is: 11,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.16 : 16,945.10 = 8,512.31 : x
  2. Step 2: Convert to fraction form
    12,296.16/16,945.10 = 8,512.31/x
  3. Step 3: Cross multiply
    12,296.16x = 16,945.10 × 8,512.31
  4. Step 4: Simplify right side
    12,296.16x = 144,241,816.89
  5. Step 5: Solve for x
    x = 144,241,816.89/12,296.16
  6. Step 6: Final answer
    x = 11,730.64

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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.