Home / 8,603.20-11,876.79-5,069.98

Finding the Fourth Proportional to 8,603.20, 11,876.79 and 5,069.98

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Solution

The fourth proportional to 8,603.20, 11,876.79 and 5,069.98 is: 6,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.20 : 11,876.79 = 5,069.98 : x
  2. Step 2: Convert to fraction form
    8,603.20/11,876.79 = 5,069.98/x
  3. Step 3: Cross multiply
    8,603.20x = 11,876.79 × 5,069.98
  4. Step 4: Simplify right side
    8,603.20x = 60,215,087.76
  5. Step 5: Solve for x
    x = 60,215,087.76/8,603.20
  6. Step 6: Final answer
    x = 6,999.15

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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.