Home / 10,014.42-13,820.34-6,239.82

Finding the Fourth Proportional to 10,014.42, 13,820.34 and 6,239.82

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Solution

The fourth proportional to 10,014.42, 13,820.34 and 6,239.82 is: 8,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.42 : 13,820.34 = 6,239.82 : x
  2. Step 2: Convert to fraction form
    10,014.42/13,820.34 = 6,239.82/x
  3. Step 3: Cross multiply
    10,014.42x = 13,820.34 × 6,239.82
  4. Step 4: Simplify right side
    10,014.42x = 86,236,433.94
  5. Step 5: Solve for x
    x = 86,236,433.94/10,014.42
  6. Step 6: Final answer
    x = 8,611.23

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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.