Home / 10,108.14-13,946.91-6,128.43

Finding the Fourth Proportional to 10,108.14, 13,946.91 and 6,128.43

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Solution

The fourth proportional to 10,108.14, 13,946.91 and 6,128.43 is: 8,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.14 : 13,946.91 = 6,128.43 : x
  2. Step 2: Convert to fraction form
    10,108.14/13,946.91 = 6,128.43/x
  3. Step 3: Cross multiply
    10,108.14x = 13,946.91 × 6,128.43
  4. Step 4: Simplify right side
    10,108.14x = 85,472,661.65
  5. Step 5: Solve for x
    x = 85,472,661.65/10,108.14
  6. Step 6: Final answer
    x = 8,455.82

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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.