Home / 10,970.18-15,135.38-6,716.82

Finding the Fourth Proportional to 10,970.18, 15,135.38 and 6,716.82

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Solution

The fourth proportional to 10,970.18, 15,135.38 and 6,716.82 is: 9,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.18 : 15,135.38 = 6,716.82 : x
  2. Step 2: Convert to fraction form
    10,970.18/15,135.38 = 6,716.82/x
  3. Step 3: Cross multiply
    10,970.18x = 15,135.38 × 6,716.82
  4. Step 4: Simplify right side
    10,970.18x = 101,661,623.09
  5. Step 5: Solve for x
    x = 101,661,623.09/10,970.18
  6. Step 6: Final answer
    x = 9,267.09

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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.