Home / 21,264.02-31,899.46-6,469.45

Finding the Fourth Proportional to 21,264.02, 31,899.46 and 6,469.45

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Solution

The fourth proportional to 21,264.02, 31,899.46 and 6,469.45 is: 9,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.02 : 31,899.46 = 6,469.45 : x
  2. Step 2: Convert to fraction form
    21,264.02/31,899.46 = 6,469.45/x
  3. Step 3: Cross multiply
    21,264.02x = 31,899.46 × 6,469.45
  4. Step 4: Simplify right side
    21,264.02x = 206,372,075.33
  5. Step 5: Solve for x
    x = 206,372,075.33/21,264.02
  6. Step 6: Final answer
    x = 9,705.22

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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.