Home / 10,319.38-14,240.74-6,127.62

Finding the Fourth Proportional to 10,319.38, 14,240.74 and 6,127.62

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Solution

The fourth proportional to 10,319.38, 14,240.74 and 6,127.62 is: 8,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.38 : 14,240.74 = 6,127.62 : x
  2. Step 2: Convert to fraction form
    10,319.38/14,240.74 = 6,127.62/x
  3. Step 3: Cross multiply
    10,319.38x = 14,240.74 × 6,127.62
  4. Step 4: Simplify right side
    10,319.38x = 87,261,843.24
  5. Step 5: Solve for x
    x = 87,261,843.24/10,319.38
  6. Step 6: Final answer
    x = 8,456.11

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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.