Home / 14,099.89-21,147.81-3,711.64

Finding the Fourth Proportional to 14,099.89, 21,147.81 and 3,711.64

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Solution

The fourth proportional to 14,099.89, 21,147.81 and 3,711.64 is: 5,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.89 : 21,147.81 = 3,711.64 : x
  2. Step 2: Convert to fraction form
    14,099.89/21,147.81 = 3,711.64/x
  3. Step 3: Cross multiply
    14,099.89x = 21,147.81 × 3,711.64
  4. Step 4: Simplify right side
    14,099.89x = 78,493,057.51
  5. Step 5: Solve for x
    x = 78,493,057.51/14,099.89
  6. Step 6: Final answer
    x = 5,566.93

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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.