Home / 21,004.23-31,511.72-6,968.17

Finding the Fourth Proportional to 21,004.23, 31,511.72 and 6,968.17

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Solution

The fourth proportional to 21,004.23, 31,511.72 and 6,968.17 is: 10,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.23 : 31,511.72 = 6,968.17 : x
  2. Step 2: Convert to fraction form
    21,004.23/31,511.72 = 6,968.17/x
  3. Step 3: Cross multiply
    21,004.23x = 31,511.72 × 6,968.17
  4. Step 4: Simplify right side
    21,004.23x = 219,579,039.57
  5. Step 5: Solve for x
    x = 219,579,039.57/21,004.23
  6. Step 6: Final answer
    x = 10,454.04

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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.