Home / 10,438.98-14,405.34-6,249.54

Finding the Fourth Proportional to 10,438.98, 14,405.34 and 6,249.54

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Solution

The fourth proportional to 10,438.98, 14,405.34 and 6,249.54 is: 8,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.98 : 14,405.34 = 6,249.54 : x
  2. Step 2: Convert to fraction form
    10,438.98/14,405.34 = 6,249.54/x
  3. Step 3: Cross multiply
    10,438.98x = 14,405.34 × 6,249.54
  4. Step 4: Simplify right side
    10,438.98x = 90,026,748.54
  5. Step 5: Solve for x
    x = 90,026,748.54/10,438.98
  6. Step 6: Final answer
    x = 8,624.09

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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.