Home / 10,219.69-14,104.48-6,239.95

Finding the Fourth Proportional to 10,219.69, 14,104.48 and 6,239.95

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Solution

The fourth proportional to 10,219.69, 14,104.48 and 6,239.95 is: 8,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.69 : 14,104.48 = 6,239.95 : x
  2. Step 2: Convert to fraction form
    10,219.69/14,104.48 = 6,239.95/x
  3. Step 3: Cross multiply
    10,219.69x = 14,104.48 × 6,239.95
  4. Step 4: Simplify right side
    10,219.69x = 88,011,249.98
  5. Step 5: Solve for x
    x = 88,011,249.98/10,219.69
  6. Step 6: Final answer
    x = 8,611.93

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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.