Home / 15,963.02-22,028.51-8,889.44

Finding the Fourth Proportional to 15,963.02, 22,028.51 and 8,889.44

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Solution

The fourth proportional to 15,963.02, 22,028.51 and 8,889.44 is: 12,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.02 : 22,028.51 = 8,889.44 : x
  2. Step 2: Convert to fraction form
    15,963.02/22,028.51 = 8,889.44/x
  3. Step 3: Cross multiply
    15,963.02x = 22,028.51 × 8,889.44
  4. Step 4: Simplify right side
    15,963.02x = 195,821,073.49
  5. Step 5: Solve for x
    x = 195,821,073.49/15,963.02
  6. Step 6: Final answer
    x = 12,267.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.