Home / 14,087.70-21,146.94-10,378.44

Finding the Fourth Proportional to 14,087.70, 21,146.94 and 10,378.44

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Solution

The fourth proportional to 14,087.70, 21,146.94 and 10,378.44 is: 15,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.70 : 21,146.94 = 10,378.44 : x
  2. Step 2: Convert to fraction form
    14,087.70/21,146.94 = 10,378.44/x
  3. Step 3: Cross multiply
    14,087.70x = 21,146.94 × 10,378.44
  4. Step 4: Simplify right side
    14,087.70x = 219,472,247.97
  5. Step 5: Solve for x
    x = 219,472,247.97/14,087.70
  6. Step 6: Final answer
    x = 15,579.00

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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.