Home / 10,219.61-14,103.19-6,186.38

Finding the Fourth Proportional to 10,219.61, 14,103.19 and 6,186.38

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Solution

The fourth proportional to 10,219.61, 14,103.19 and 6,186.38 is: 8,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.61 : 14,103.19 = 6,186.38 : x
  2. Step 2: Convert to fraction form
    10,219.61/14,103.19 = 6,186.38/x
  3. Step 3: Cross multiply
    10,219.61x = 14,103.19 × 6,186.38
  4. Step 4: Simplify right side
    10,219.61x = 87,247,661.62
  5. Step 5: Solve for x
    x = 87,247,661.62/10,219.61
  6. Step 6: Final answer
    x = 8,537.28

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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.