Home / 12,133.56-18,200.33-3,814.31

Finding the Fourth Proportional to 12,133.56, 18,200.33 and 3,814.31

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Solution

The fourth proportional to 12,133.56, 18,200.33 and 3,814.31 is: 5,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.56 : 18,200.33 = 3,814.31 : x
  2. Step 2: Convert to fraction form
    12,133.56/18,200.33 = 3,814.31/x
  3. Step 3: Cross multiply
    12,133.56x = 18,200.33 × 3,814.31
  4. Step 4: Simplify right side
    12,133.56x = 69,421,639.08
  5. Step 5: Solve for x
    x = 69,421,639.08/12,133.56
  6. Step 6: Final answer
    x = 5,721.46

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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.