Home / 10,310.49-14,223.47-6,115.77

Finding the Fourth Proportional to 10,310.49, 14,223.47 and 6,115.77

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Solution

The fourth proportional to 10,310.49, 14,223.47 and 6,115.77 is: 8,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.49 : 14,223.47 = 6,115.77 : x
  2. Step 2: Convert to fraction form
    10,310.49/14,223.47 = 6,115.77/x
  3. Step 3: Cross multiply
    10,310.49x = 14,223.47 × 6,115.77
  4. Step 4: Simplify right side
    10,310.49x = 86,987,440.54
  5. Step 5: Solve for x
    x = 86,987,440.54/10,310.49
  6. Step 6: Final answer
    x = 8,436.79

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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.