Home / 10,389.26-15,586.73-3,369.60

Finding the Fourth Proportional to 10,389.26, 15,586.73 and 3,369.60

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Solution

The fourth proportional to 10,389.26, 15,586.73 and 3,369.60 is: 5,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.26 : 15,586.73 = 3,369.60 : x
  2. Step 2: Convert to fraction form
    10,389.26/15,586.73 = 3,369.60/x
  3. Step 3: Cross multiply
    10,389.26x = 15,586.73 × 3,369.60
  4. Step 4: Simplify right side
    10,389.26x = 52,521,041.20
  5. Step 5: Solve for x
    x = 52,521,041.20/10,389.26
  6. Step 6: Final answer
    x = 5,055.32

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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.