Home / 12,201.07-18,289.26-4,802.64

Finding the Fourth Proportional to 12,201.07, 18,289.26 and 4,802.64

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Solution

The fourth proportional to 12,201.07, 18,289.26 and 4,802.64 is: 7,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.07 : 18,289.26 = 4,802.64 : x
  2. Step 2: Convert to fraction form
    12,201.07/18,289.26 = 4,802.64/x
  3. Step 3: Cross multiply
    12,201.07x = 18,289.26 × 4,802.64
  4. Step 4: Simplify right side
    12,201.07x = 87,836,731.65
  5. Step 5: Solve for x
    x = 87,836,731.65/12,201.07
  6. Step 6: Final answer
    x = 7,199.10

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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.