Home / 15,601.31-21,529.85-8,887.22

Finding the Fourth Proportional to 15,601.31, 21,529.85 and 8,887.22

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Solution

The fourth proportional to 15,601.31, 21,529.85 and 8,887.22 is: 12,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.31 : 21,529.85 = 8,887.22 : x
  2. Step 2: Convert to fraction form
    15,601.31/21,529.85 = 8,887.22/x
  3. Step 3: Cross multiply
    15,601.31x = 21,529.85 × 8,887.22
  4. Step 4: Simplify right side
    15,601.31x = 191,340,361.43
  5. Step 5: Solve for x
    x = 191,340,361.43/15,601.31
  6. Step 6: Final answer
    x = 12,264.38

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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.