Home / 21,435.37-32,152.76-6,644.28

Finding the Fourth Proportional to 21,435.37, 32,152.76 and 6,644.28

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Solution

The fourth proportional to 21,435.37, 32,152.76 and 6,644.28 is: 9,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.37 : 32,152.76 = 6,644.28 : x
  2. Step 2: Convert to fraction form
    21,435.37/32,152.76 = 6,644.28/x
  3. Step 3: Cross multiply
    21,435.37x = 32,152.76 × 6,644.28
  4. Step 4: Simplify right side
    21,435.37x = 213,631,906.99
  5. Step 5: Solve for x
    x = 213,631,906.99/21,435.37
  6. Step 6: Final answer
    x = 9,966.33

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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.