Home / 8,785.50-13,160.43-7,319.94

Finding the Fourth Proportional to 8,785.50, 13,160.43 and 7,319.94

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Solution

The fourth proportional to 8,785.50, 13,160.43 and 7,319.94 is: 10,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.50 : 13,160.43 = 7,319.94 : x
  2. Step 2: Convert to fraction form
    8,785.50/13,160.43 = 7,319.94/x
  3. Step 3: Cross multiply
    8,785.50x = 13,160.43 × 7,319.94
  4. Step 4: Simplify right side
    8,785.50x = 96,333,557.97
  5. Step 5: Solve for x
    x = 96,333,557.97/8,785.50
  6. Step 6: Final answer
    x = 10,965.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.