Home / 10,219.23-14,102.66-6,239.79

Finding the Fourth Proportional to 10,219.23, 14,102.66 and 6,239.79

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Solution

The fourth proportional to 10,219.23, 14,102.66 and 6,239.79 is: 8,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.23 : 14,102.66 = 6,239.79 : x
  2. Step 2: Convert to fraction form
    10,219.23/14,102.66 = 6,239.79/x
  3. Step 3: Cross multiply
    10,219.23x = 14,102.66 × 6,239.79
  4. Step 4: Simplify right side
    10,219.23x = 87,997,652.44
  5. Step 5: Solve for x
    x = 87,997,652.44/10,219.23
  6. Step 6: Final answer
    x = 8,610.99

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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.