Home / 15,941.94-21,997.29-8,868.18

Finding the Fourth Proportional to 15,941.94, 21,997.29 and 8,868.18

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Solution

The fourth proportional to 15,941.94, 21,997.29 and 8,868.18 is: 12,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.94 : 21,997.29 = 8,868.18 : x
  2. Step 2: Convert to fraction form
    15,941.94/21,997.29 = 8,868.18/x
  3. Step 3: Cross multiply
    15,941.94x = 21,997.29 × 8,868.18
  4. Step 4: Simplify right side
    15,941.94x = 195,075,927.23
  5. Step 5: Solve for x
    x = 195,075,927.23/15,941.94
  6. Step 6: Final answer
    x = 12,236.65

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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.