Home / 8,175.52-12,318.37-6,746.68

Finding the Fourth Proportional to 8,175.52, 12,318.37 and 6,746.68

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Solution

The fourth proportional to 8,175.52, 12,318.37 and 6,746.68 is: 10,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.52 : 12,318.37 = 6,746.68 : x
  2. Step 2: Convert to fraction form
    8,175.52/12,318.37 = 6,746.68/x
  3. Step 3: Cross multiply
    8,175.52x = 12,318.37 × 6,746.68
  4. Step 4: Simplify right side
    8,175.52x = 83,108,100.51
  5. Step 5: Solve for x
    x = 83,108,100.51/8,175.52
  6. Step 6: Final answer
    x = 10,165.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.