Home / 12,545.03-17,323.86-8,076.55

Finding the Fourth Proportional to 12,545.03, 17,323.86 and 8,076.55

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Solution

The fourth proportional to 12,545.03, 17,323.86 and 8,076.55 is: 11,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.03 : 17,323.86 = 8,076.55 : x
  2. Step 2: Convert to fraction form
    12,545.03/17,323.86 = 8,076.55/x
  3. Step 3: Cross multiply
    12,545.03x = 17,323.86 × 8,076.55
  4. Step 4: Simplify right side
    12,545.03x = 139,917,021.48
  5. Step 5: Solve for x
    x = 139,917,021.48/12,545.03
  6. Step 6: Final answer
    x = 11,153.18

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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.