Home / 11,583.93-15,985.83-6,278.70

Finding the Fourth Proportional to 11,583.93, 15,985.83 and 6,278.70

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Solution

The fourth proportional to 11,583.93, 15,985.83 and 6,278.70 is: 8,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.93 : 15,985.83 = 6,278.70 : x
  2. Step 2: Convert to fraction form
    11,583.93/15,985.83 = 6,278.70/x
  3. Step 3: Cross multiply
    11,583.93x = 15,985.83 × 6,278.70
  4. Step 4: Simplify right side
    11,583.93x = 100,370,230.82
  5. Step 5: Solve for x
    x = 100,370,230.82/11,583.93
  6. Step 6: Final answer
    x = 8,664.61

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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.