Home / 21,042.36-31,558.14-6,247.26

Finding the Fourth Proportional to 21,042.36, 31,558.14 and 6,247.26

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Solution

The fourth proportional to 21,042.36, 31,558.14 and 6,247.26 is: 9,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.36 : 31,558.14 = 6,247.26 : x
  2. Step 2: Convert to fraction form
    21,042.36/31,558.14 = 6,247.26/x
  3. Step 3: Cross multiply
    21,042.36x = 31,558.14 × 6,247.26
  4. Step 4: Simplify right side
    21,042.36x = 197,151,905.70
  5. Step 5: Solve for x
    x = 197,151,905.70/21,042.36
  6. Step 6: Final answer
    x = 9,369.29

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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.