Home / 11,218.06-16,832.85-7,710.90

Finding the Fourth Proportional to 11,218.06, 16,832.85 and 7,710.90

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Solution

The fourth proportional to 11,218.06, 16,832.85 and 7,710.90 is: 11,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.06 : 16,832.85 = 7,710.90 : x
  2. Step 2: Convert to fraction form
    11,218.06/16,832.85 = 7,710.90/x
  3. Step 3: Cross multiply
    11,218.06x = 16,832.85 × 7,710.90
  4. Step 4: Simplify right side
    11,218.06x = 129,796,331.03
  5. Step 5: Solve for x
    x = 129,796,331.03/11,218.06
  6. Step 6: Final answer
    x = 11,570.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.