Home / 10,384.02-15,571.60-3,968.40

Finding the Fourth Proportional to 10,384.02, 15,571.60 and 3,968.40

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Solution

The fourth proportional to 10,384.02, 15,571.60 and 3,968.40 is: 5,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.02 : 15,571.60 = 3,968.40 : x
  2. Step 2: Convert to fraction form
    10,384.02/15,571.60 = 3,968.40/x
  3. Step 3: Cross multiply
    10,384.02x = 15,571.60 × 3,968.40
  4. Step 4: Simplify right side
    10,384.02x = 61,794,337.44
  5. Step 5: Solve for x
    x = 61,794,337.44/10,384.02
  6. Step 6: Final answer
    x = 5,950.91

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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.