Home / 10,666.11-15,997.55-4,095.39

Finding the Fourth Proportional to 10,666.11, 15,997.55 and 4,095.39

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Solution

The fourth proportional to 10,666.11, 15,997.55 and 4,095.39 is: 6,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.11 : 15,997.55 = 4,095.39 : x
  2. Step 2: Convert to fraction form
    10,666.11/15,997.55 = 4,095.39/x
  3. Step 3: Cross multiply
    10,666.11x = 15,997.55 × 4,095.39
  4. Step 4: Simplify right side
    10,666.11x = 65,516,185.82
  5. Step 5: Solve for x
    x = 65,516,185.82/10,666.11
  6. Step 6: Final answer
    x = 6,142.46

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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.