Home / 10,785.83-14,881.54-6,310.68

Finding the Fourth Proportional to 10,785.83, 14,881.54 and 6,310.68

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Solution

The fourth proportional to 10,785.83, 14,881.54 and 6,310.68 is: 8,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.83 : 14,881.54 = 6,310.68 : x
  2. Step 2: Convert to fraction form
    10,785.83/14,881.54 = 6,310.68/x
  3. Step 3: Cross multiply
    10,785.83x = 14,881.54 × 6,310.68
  4. Step 4: Simplify right side
    10,785.83x = 93,912,674.05
  5. Step 5: Solve for x
    x = 93,912,674.05/10,785.83
  6. Step 6: Final answer
    x = 8,707.04

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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.