Home / 10,716.91-14,785.74-6,239.70

Finding the Fourth Proportional to 10,716.91, 14,785.74 and 6,239.70

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Solution

The fourth proportional to 10,716.91, 14,785.74 and 6,239.70 is: 8,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.91 : 14,785.74 = 6,239.70 : x
  2. Step 2: Convert to fraction form
    10,716.91/14,785.74 = 6,239.70/x
  3. Step 3: Cross multiply
    10,716.91x = 14,785.74 × 6,239.70
  4. Step 4: Simplify right side
    10,716.91x = 92,258,581.88
  5. Step 5: Solve for x
    x = 92,258,581.88/10,716.91
  6. Step 6: Final answer
    x = 8,608.69

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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.