Home / 11,108.12-16,656.08-7,602.16

Finding the Fourth Proportional to 11,108.12, 16,656.08 and 7,602.16

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Solution

The fourth proportional to 11,108.12, 16,656.08 and 7,602.16 is: 11,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.12 : 16,656.08 = 7,602.16 : x
  2. Step 2: Convert to fraction form
    11,108.12/16,656.08 = 7,602.16/x
  3. Step 3: Cross multiply
    11,108.12x = 16,656.08 × 7,602.16
  4. Step 4: Simplify right side
    11,108.12x = 126,622,185.13
  5. Step 5: Solve for x
    x = 126,622,185.13/11,108.12
  6. Step 6: Final answer
    x = 11,399.07

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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.