Home / 10,420.18-14,379.56-5,943.84

Finding the Fourth Proportional to 10,420.18, 14,379.56 and 5,943.84

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Solution

The fourth proportional to 10,420.18, 14,379.56 and 5,943.84 is: 8,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.18 : 14,379.56 = 5,943.84 : x
  2. Step 2: Convert to fraction form
    10,420.18/14,379.56 = 5,943.84/x
  3. Step 3: Cross multiply
    10,420.18x = 14,379.56 × 5,943.84
  4. Step 4: Simplify right side
    10,420.18x = 85,469,803.91
  5. Step 5: Solve for x
    x = 85,469,803.91/10,420.18
  6. Step 6: Final answer
    x = 8,202.33

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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.