Home / 10,865.34-14,994.32-6,149.79

Finding the Fourth Proportional to 10,865.34, 14,994.32 and 6,149.79

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Solution

The fourth proportional to 10,865.34, 14,994.32 and 6,149.79 is: 8,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.34 : 14,994.32 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    10,865.34/14,994.32 = 6,149.79/x
  3. Step 3: Cross multiply
    10,865.34x = 14,994.32 × 6,149.79
  4. Step 4: Simplify right side
    10,865.34x = 92,211,888.44
  5. Step 5: Solve for x
    x = 92,211,888.44/10,865.34
  6. Step 6: Final answer
    x = 8,486.79

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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.