Home / 20,962.76-31,448.26-6,922.22

Finding the Fourth Proportional to 20,962.76, 31,448.26 and 6,922.22

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Solution

The fourth proportional to 20,962.76, 31,448.26 and 6,922.22 is: 10,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.76 : 31,448.26 = 6,922.22 : x
  2. Step 2: Convert to fraction form
    20,962.76/31,448.26 = 6,922.22/x
  3. Step 3: Cross multiply
    20,962.76x = 31,448.26 × 6,922.22
  4. Step 4: Simplify right side
    20,962.76x = 217,691,774.34
  5. Step 5: Solve for x
    x = 217,691,774.34/20,962.76
  6. Step 6: Final answer
    x = 10,384.69

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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.