Home / 18,536.90-25,578.09-10,579.70

Finding the Fourth Proportional to 18,536.90, 25,578.09 and 10,579.70

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Solution

The fourth proportional to 18,536.90, 25,578.09 and 10,579.70 is: 14,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.90 : 25,578.09 = 10,579.70 : x
  2. Step 2: Convert to fraction form
    18,536.90/25,578.09 = 10,579.70/x
  3. Step 3: Cross multiply
    18,536.90x = 25,578.09 × 10,579.70
  4. Step 4: Simplify right side
    18,536.90x = 270,608,518.77
  5. Step 5: Solve for x
    x = 270,608,518.77/18,536.90
  6. Step 6: Final answer
    x = 14,598.37

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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.