Home / 20,864.08-31,295.83-5,069.22

Finding the Fourth Proportional to 20,864.08, 31,295.83 and 5,069.22

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Solution

The fourth proportional to 20,864.08, 31,295.83 and 5,069.22 is: 7,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864.08 : 31,295.83 = 5,069.22 : x
  2. Step 2: Convert to fraction form
    20,864.08/31,295.83 = 5,069.22/x
  3. Step 3: Cross multiply
    20,864.08x = 31,295.83 × 5,069.22
  4. Step 4: Simplify right side
    20,864.08x = 158,645,447.35
  5. Step 5: Solve for x
    x = 158,645,447.35/20,864.08
  6. Step 6: Final answer
    x = 7,603.76

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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.