Home / 19,012.05-28,490.35-10,694.39

Finding the Fourth Proportional to 19,012.05, 28,490.35 and 10,694.39

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Solution

The fourth proportional to 19,012.05, 28,490.35 and 10,694.39 is: 16,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.05 : 28,490.35 = 10,694.39 : x
  2. Step 2: Convert to fraction form
    19,012.05/28,490.35 = 10,694.39/x
  3. Step 3: Cross multiply
    19,012.05x = 28,490.35 × 10,694.39
  4. Step 4: Simplify right side
    19,012.05x = 304,686,920.21
  5. Step 5: Solve for x
    x = 304,686,920.21/19,012.05
  6. Step 6: Final answer
    x = 16,025.99

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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.