Home / 10,643.91-15,968.39-5,365.95

Finding the Fourth Proportional to 10,643.91, 15,968.39 and 5,365.95

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Solution

The fourth proportional to 10,643.91, 15,968.39 and 5,365.95 is: 8,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.91 : 15,968.39 = 5,365.95 : x
  2. Step 2: Convert to fraction form
    10,643.91/15,968.39 = 5,365.95/x
  3. Step 3: Cross multiply
    10,643.91x = 15,968.39 × 5,365.95
  4. Step 4: Simplify right side
    10,643.91x = 85,685,555.49
  5. Step 5: Solve for x
    x = 85,685,555.49/10,643.91
  6. Step 6: Final answer
    x = 8,050.20

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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.