Home / 13,087.01-19,630.05-5,691.48

Finding the Fourth Proportional to 13,087.01, 19,630.05 and 5,691.48

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Solution

The fourth proportional to 13,087.01, 19,630.05 and 5,691.48 is: 8,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.01 : 19,630.05 = 5,691.48 : x
  2. Step 2: Convert to fraction form
    13,087.01/19,630.05 = 5,691.48/x
  3. Step 3: Cross multiply
    13,087.01x = 19,630.05 × 5,691.48
  4. Step 4: Simplify right side
    13,087.01x = 111,724,036.97
  5. Step 5: Solve for x
    x = 111,724,036.97/13,087.01
  6. Step 6: Final answer
    x = 8,537.02

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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.