Home / 10,219.11-14,102.49-6,239.67

Finding the Fourth Proportional to 10,219.11, 14,102.49 and 6,239.67

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Solution

The fourth proportional to 10,219.11, 14,102.49 and 6,239.67 is: 8,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.11 : 14,102.49 = 6,239.67 : x
  2. Step 2: Convert to fraction form
    10,219.11/14,102.49 = 6,239.67/x
  3. Step 3: Cross multiply
    10,219.11x = 14,102.49 × 6,239.67
  4. Step 4: Simplify right side
    10,219.11x = 87,994,883.78
  5. Step 5: Solve for x
    x = 87,994,883.78/10,219.11
  6. Step 6: Final answer
    x = 8,610.82

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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.