Home / 20,603.37-30,894.83-6,561.56

Finding the Fourth Proportional to 20,603.37, 30,894.83 and 6,561.56

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Solution

The fourth proportional to 20,603.37, 30,894.83 and 6,561.56 is: 9,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.37 : 30,894.83 = 6,561.56 : x
  2. Step 2: Convert to fraction form
    20,603.37/30,894.83 = 6,561.56/x
  3. Step 3: Cross multiply
    20,603.37x = 30,894.83 × 6,561.56
  4. Step 4: Simplify right side
    20,603.37x = 202,718,349.77
  5. Step 5: Solve for x
    x = 202,718,349.77/20,603.37
  6. Step 6: Final answer
    x = 9,839.09

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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.