Home / 10,807.55-16,216.09-4,571.87

Finding the Fourth Proportional to 10,807.55, 16,216.09 and 4,571.87

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Solution

The fourth proportional to 10,807.55, 16,216.09 and 4,571.87 is: 6,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.55 : 16,216.09 = 4,571.87 : x
  2. Step 2: Convert to fraction form
    10,807.55/16,216.09 = 4,571.87/x
  3. Step 3: Cross multiply
    10,807.55x = 16,216.09 × 4,571.87
  4. Step 4: Simplify right side
    10,807.55x = 74,137,762.88
  5. Step 5: Solve for x
    x = 74,137,762.88/10,807.55
  6. Step 6: Final answer
    x = 6,859.81

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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.