Home / 21,490.29-32,223.87-6,495.36

Finding the Fourth Proportional to 21,490.29, 32,223.87 and 6,495.36

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Solution

The fourth proportional to 21,490.29, 32,223.87 and 6,495.36 is: 9,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.29 : 32,223.87 = 6,495.36 : x
  2. Step 2: Convert to fraction form
    21,490.29/32,223.87 = 6,495.36/x
  3. Step 3: Cross multiply
    21,490.29x = 32,223.87 × 6,495.36
  4. Step 4: Simplify right side
    21,490.29x = 209,305,636.24
  5. Step 5: Solve for x
    x = 209,305,636.24/21,490.29
  6. Step 6: Final answer
    x = 9,739.54

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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.