Home / 10,382.87-15,570.21-4,535.39

Finding the Fourth Proportional to 10,382.87, 15,570.21 and 4,535.39

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Solution

The fourth proportional to 10,382.87, 15,570.21 and 4,535.39 is: 6,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.87 : 15,570.21 = 4,535.39 : x
  2. Step 2: Convert to fraction form
    10,382.87/15,570.21 = 4,535.39/x
  3. Step 3: Cross multiply
    10,382.87x = 15,570.21 × 4,535.39
  4. Step 4: Simplify right side
    10,382.87x = 70,616,974.73
  5. Step 5: Solve for x
    x = 70,616,974.73/10,382.87
  6. Step 6: Final answer
    x = 6,801.30

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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.