Home / 10,376.45-15,570.74-3,803.09

Finding the Fourth Proportional to 10,376.45, 15,570.74 and 3,803.09

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Solution

The fourth proportional to 10,376.45, 15,570.74 and 3,803.09 is: 5,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.45 : 15,570.74 = 3,803.09 : x
  2. Step 2: Convert to fraction form
    10,376.45/15,570.74 = 3,803.09/x
  3. Step 3: Cross multiply
    10,376.45x = 15,570.74 × 3,803.09
  4. Step 4: Simplify right side
    10,376.45x = 59,216,974.02
  5. Step 5: Solve for x
    x = 59,216,974.02/10,376.45
  6. Step 6: Final answer
    x = 5,706.87

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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.