Home / 10,995.86-15,174.18-6,280.14

Finding the Fourth Proportional to 10,995.86, 15,174.18 and 6,280.14

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Solution

The fourth proportional to 10,995.86, 15,174.18 and 6,280.14 is: 8,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.86 : 15,174.18 = 6,280.14 : x
  2. Step 2: Convert to fraction form
    10,995.86/15,174.18 = 6,280.14/x
  3. Step 3: Cross multiply
    10,995.86x = 15,174.18 × 6,280.14
  4. Step 4: Simplify right side
    10,995.86x = 95,295,974.79
  5. Step 5: Solve for x
    x = 95,295,974.79/10,995.86
  6. Step 6: Final answer
    x = 8,666.53

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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.