Home / 13,133.22-19,699.83-5,336.43

Finding the Fourth Proportional to 13,133.22, 19,699.83 and 5,336.43

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Solution

The fourth proportional to 13,133.22, 19,699.83 and 5,336.43 is: 8,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.22 : 19,699.83 = 5,336.43 : x
  2. Step 2: Convert to fraction form
    13,133.22/19,699.83 = 5,336.43/x
  3. Step 3: Cross multiply
    13,133.22x = 19,699.83 × 5,336.43
  4. Step 4: Simplify right side
    13,133.22x = 105,126,763.81
  5. Step 5: Solve for x
    x = 105,126,763.81/13,133.22
  6. Step 6: Final answer
    x = 8,004.65

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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.