Home / 13,508.15-18,628.67-8,962.82

Finding the Fourth Proportional to 13,508.15, 18,628.67 and 8,962.82

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Solution

The fourth proportional to 13,508.15, 18,628.67 and 8,962.82 is: 12,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.15 : 18,628.67 = 8,962.82 : x
  2. Step 2: Convert to fraction form
    13,508.15/18,628.67 = 8,962.82/x
  3. Step 3: Cross multiply
    13,508.15x = 18,628.67 × 8,962.82
  4. Step 4: Simplify right side
    13,508.15x = 166,965,371.24
  5. Step 5: Solve for x
    x = 166,965,371.24/13,508.15
  6. Step 6: Final answer
    x = 12,360.34

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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.