Home / 10,115.09-13,953.62-6,756.83

Finding the Fourth Proportional to 10,115.09, 13,953.62 and 6,756.83

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Solution

The fourth proportional to 10,115.09, 13,953.62 and 6,756.83 is: 9,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.09 : 13,953.62 = 6,756.83 : x
  2. Step 2: Convert to fraction form
    10,115.09/13,953.62 = 6,756.83/x
  3. Step 3: Cross multiply
    10,115.09x = 13,953.62 × 6,756.83
  4. Step 4: Simplify right side
    10,115.09x = 94,282,185.35
  5. Step 5: Solve for x
    x = 94,282,185.35/10,115.09
  6. Step 6: Final answer
    x = 9,320.95

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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.