Home / 8,954.02-13,431.01-2,380.20

Finding the Fourth Proportional to 8,954.02, 13,431.01 and 2,380.20

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Solution

The fourth proportional to 8,954.02, 13,431.01 and 2,380.20 is: 3,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.02 : 13,431.01 = 2,380.20 : x
  2. Step 2: Convert to fraction form
    8,954.02/13,431.01 = 2,380.20/x
  3. Step 3: Cross multiply
    8,954.02x = 13,431.01 × 2,380.20
  4. Step 4: Simplify right side
    8,954.02x = 31,968,490.00
  5. Step 5: Solve for x
    x = 31,968,490.00/8,954.02
  6. Step 6: Final answer
    x = 3,570.29

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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.