Home / 10,785.58-14,881.20-6,310.43

Finding the Fourth Proportional to 10,785.58, 14,881.20 and 6,310.43

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Solution

The fourth proportional to 10,785.58, 14,881.20 and 6,310.43 is: 8,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.58 : 14,881.20 = 6,310.43 : x
  2. Step 2: Convert to fraction form
    10,785.58/14,881.20 = 6,310.43/x
  3. Step 3: Cross multiply
    10,785.58x = 14,881.20 × 6,310.43
  4. Step 4: Simplify right side
    10,785.58x = 93,906,784.45
  5. Step 5: Solve for x
    x = 93,906,784.45/10,785.58
  6. Step 6: Final answer
    x = 8,706.70

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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.