Home / 10,879.74-15,013.91-6,099.66

Finding the Fourth Proportional to 10,879.74, 15,013.91 and 6,099.66

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Solution

The fourth proportional to 10,879.74, 15,013.91 and 6,099.66 is: 8,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.74 : 15,013.91 = 6,099.66 : x
  2. Step 2: Convert to fraction form
    10,879.74/15,013.91 = 6,099.66/x
  3. Step 3: Cross multiply
    10,879.74x = 15,013.91 × 6,099.66
  4. Step 4: Simplify right side
    10,879.74x = 91,579,640.70
  5. Step 5: Solve for x
    x = 91,579,640.70/10,879.74
  6. Step 6: Final answer
    x = 8,417.45

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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.