Home / 12,206.01-18,308.93-3,440.87

Finding the Fourth Proportional to 12,206.01, 18,308.93 and 3,440.87

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Solution

The fourth proportional to 12,206.01, 18,308.93 and 3,440.87 is: 5,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.01 : 18,308.93 = 3,440.87 : x
  2. Step 2: Convert to fraction form
    12,206.01/18,308.93 = 3,440.87/x
  3. Step 3: Cross multiply
    12,206.01x = 18,308.93 × 3,440.87
  4. Step 4: Simplify right side
    12,206.01x = 62,998,539.22
  5. Step 5: Solve for x
    x = 62,998,539.22/12,206.01
  6. Step 6: Final answer
    x = 5,161.27

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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.