Home / 11,090.04-16,616.10-7,186.20

Finding the Fourth Proportional to 11,090.04, 16,616.10 and 7,186.20

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Solution

The fourth proportional to 11,090.04, 16,616.10 and 7,186.20 is: 10,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.04 : 16,616.10 = 7,186.20 : x
  2. Step 2: Convert to fraction form
    11,090.04/16,616.10 = 7,186.20/x
  3. Step 3: Cross multiply
    11,090.04x = 16,616.10 × 7,186.20
  4. Step 4: Simplify right side
    11,090.04x = 119,406,617.82
  5. Step 5: Solve for x
    x = 119,406,617.82/11,090.04
  6. Step 6: Final answer
    x = 10,767.01

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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.