Home / 8,319.08-12,573.03-8,175.72

Finding the Fourth Proportional to 8,319.08, 12,573.03 and 8,175.72

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Solution

The fourth proportional to 8,319.08, 12,573.03 and 8,175.72 is: 12,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.08 : 12,573.03 = 8,175.72 : x
  2. Step 2: Convert to fraction form
    8,319.08/12,573.03 = 8,175.72/x
  3. Step 3: Cross multiply
    8,319.08x = 12,573.03 × 8,175.72
  4. Step 4: Simplify right side
    8,319.08x = 102,793,572.83
  5. Step 5: Solve for x
    x = 102,793,572.83/8,319.08
  6. Step 6: Final answer
    x = 12,356.36

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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.