Home / 10,990.82-15,166.60-6,798.26

Finding the Fourth Proportional to 10,990.82, 15,166.60 and 6,798.26

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Solution

The fourth proportional to 10,990.82, 15,166.60 and 6,798.26 is: 9,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.82 : 15,166.60 = 6,798.26 : x
  2. Step 2: Convert to fraction form
    10,990.82/15,166.60 = 6,798.26/x
  3. Step 3: Cross multiply
    10,990.82x = 15,166.60 × 6,798.26
  4. Step 4: Simplify right side
    10,990.82x = 103,106,490.12
  5. Step 5: Solve for x
    x = 103,106,490.12/10,990.82
  6. Step 6: Final answer
    x = 9,381.15

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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.