Home / 10,278.18-14,183.88-5,562.48

Finding the Fourth Proportional to 10,278.18, 14,183.88 and 5,562.48

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Solution

The fourth proportional to 10,278.18, 14,183.88 and 5,562.48 is: 7,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.18 : 14,183.88 = 5,562.48 : x
  2. Step 2: Convert to fraction form
    10,278.18/14,183.88 = 5,562.48/x
  3. Step 3: Cross multiply
    10,278.18x = 14,183.88 × 5,562.48
  4. Step 4: Simplify right side
    10,278.18x = 78,897,548.82
  5. Step 5: Solve for x
    x = 78,897,548.82/10,278.18
  6. Step 6: Final answer
    x = 7,676.22

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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.