Home / 8,351.16-12,508.20-7,702.92

Finding the Fourth Proportional to 8,351.16, 12,508.20 and 7,702.92

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Solution

The fourth proportional to 8,351.16, 12,508.20 and 7,702.92 is: 11,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.16 : 12,508.20 = 7,702.92 : x
  2. Step 2: Convert to fraction form
    8,351.16/12,508.20 = 7,702.92/x
  3. Step 3: Cross multiply
    8,351.16x = 12,508.20 × 7,702.92
  4. Step 4: Simplify right side
    8,351.16x = 96,349,663.94
  5. Step 5: Solve for x
    x = 96,349,663.94/8,351.16
  6. Step 6: Final answer
    x = 11,537.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.