Home / 18,634.45-25,706.50-11,075.43

Finding the Fourth Proportional to 18,634.45, 25,706.50 and 11,075.43

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Solution

The fourth proportional to 18,634.45, 25,706.50 and 11,075.43 is: 15,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.45 : 25,706.50 = 11,075.43 : x
  2. Step 2: Convert to fraction form
    18,634.45/25,706.50 = 11,075.43/x
  3. Step 3: Cross multiply
    18,634.45x = 25,706.50 × 11,075.43
  4. Step 4: Simplify right side
    18,634.45x = 284,710,541.30
  5. Step 5: Solve for x
    x = 284,710,541.30/18,634.45
  6. Step 6: Final answer
    x = 15,278.72

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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.