Home / 21,003.46-31,506.82-6,962.92

Finding the Fourth Proportional to 21,003.46, 31,506.82 and 6,962.92

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Solution

The fourth proportional to 21,003.46, 31,506.82 and 6,962.92 is: 10,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003.46 : 31,506.82 = 6,962.92 : x
  2. Step 2: Convert to fraction form
    21,003.46/31,506.82 = 6,962.92/x
  3. Step 3: Cross multiply
    21,003.46x = 31,506.82 × 6,962.92
  4. Step 4: Simplify right side
    21,003.46x = 219,379,467.11
  5. Step 5: Solve for x
    x = 219,379,467.11/21,003.46
  6. Step 6: Final answer
    x = 10,444.92

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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.