Home / 14,689.05-20,260.41-10,375.20

Finding the Fourth Proportional to 14,689.05, 20,260.41 and 10,375.20

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Solution

The fourth proportional to 14,689.05, 20,260.41 and 10,375.20 is: 14,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.05 : 20,260.41 = 10,375.20 : x
  2. Step 2: Convert to fraction form
    14,689.05/20,260.41 = 10,375.20/x
  3. Step 3: Cross multiply
    14,689.05x = 20,260.41 × 10,375.20
  4. Step 4: Simplify right side
    14,689.05x = 210,205,805.83
  5. Step 5: Solve for x
    x = 210,205,805.83/14,689.05
  6. Step 6: Final answer
    x = 14,310.37

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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.