Home / 10,320.86-15,485.39-3,301.95

Finding the Fourth Proportional to 10,320.86, 15,485.39 and 3,301.95

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Solution

The fourth proportional to 10,320.86, 15,485.39 and 3,301.95 is: 4,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.86 : 15,485.39 = 3,301.95 : x
  2. Step 2: Convert to fraction form
    10,320.86/15,485.39 = 3,301.95/x
  3. Step 3: Cross multiply
    10,320.86x = 15,485.39 × 3,301.95
  4. Step 4: Simplify right side
    10,320.86x = 51,131,967.00
  5. Step 5: Solve for x
    x = 51,131,967.00/10,320.86
  6. Step 6: Final answer
    x = 4,954.24

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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.