Home / 10,935.03-15,087.73-6,221.91

Finding the Fourth Proportional to 10,935.03, 15,087.73 and 6,221.91

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Solution

The fourth proportional to 10,935.03, 15,087.73 and 6,221.91 is: 8,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.03 : 15,087.73 = 6,221.91 : x
  2. Step 2: Convert to fraction form
    10,935.03/15,087.73 = 6,221.91/x
  3. Step 3: Cross multiply
    10,935.03x = 15,087.73 × 6,221.91
  4. Step 4: Simplify right side
    10,935.03x = 93,874,498.16
  5. Step 5: Solve for x
    x = 93,874,498.16/10,935.03
  6. Step 6: Final answer
    x = 8,584.75

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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.