Home / 21,006.83-31,508.42-6,962.24

Finding the Fourth Proportional to 21,006.83, 31,508.42 and 6,962.24

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Solution

The fourth proportional to 21,006.83, 31,508.42 and 6,962.24 is: 10,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006.83 : 31,508.42 = 6,962.24 : x
  2. Step 2: Convert to fraction form
    21,006.83/31,508.42 = 6,962.24/x
  3. Step 3: Cross multiply
    21,006.83x = 31,508.42 × 6,962.24
  4. Step 4: Simplify right side
    21,006.83x = 219,369,182.06
  5. Step 5: Solve for x
    x = 219,369,182.06/21,006.83
  6. Step 6: Final answer
    x = 10,442.76

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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.