Home / 18,538.05-25,582.39-10,039.98

Finding the Fourth Proportional to 18,538.05, 25,582.39 and 10,039.98

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Solution

The fourth proportional to 18,538.05, 25,582.39 and 10,039.98 is: 13,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.05 : 25,582.39 = 10,039.98 : x
  2. Step 2: Convert to fraction form
    18,538.05/25,582.39 = 10,039.98/x
  3. Step 3: Cross multiply
    18,538.05x = 25,582.39 × 10,039.98
  4. Step 4: Simplify right side
    18,538.05x = 256,846,754.79
  5. Step 5: Solve for x
    x = 256,846,754.79/18,538.05
  6. Step 6: Final answer
    x = 13,855.11

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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.