Home / 10,865.07-14,993.78-6,149.79

Finding the Fourth Proportional to 10,865.07, 14,993.78 and 6,149.79

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Solution

The fourth proportional to 10,865.07, 14,993.78 and 6,149.79 is: 8,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.07 : 14,993.78 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    10,865.07/14,993.78 = 6,149.79/x
  3. Step 3: Cross multiply
    10,865.07x = 14,993.78 × 6,149.79
  4. Step 4: Simplify right side
    10,865.07x = 92,208,567.56
  5. Step 5: Solve for x
    x = 92,208,567.56/10,865.07
  6. Step 6: Final answer
    x = 8,486.70

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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.