Home / 13,722.96-18,937.70-7,435.33

Finding the Fourth Proportional to 13,722.96, 18,937.70 and 7,435.33

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Solution

The fourth proportional to 13,722.96, 18,937.70 and 7,435.33 is: 10,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.96 : 18,937.70 = 7,435.33 : x
  2. Step 2: Convert to fraction form
    13,722.96/18,937.70 = 7,435.33/x
  3. Step 3: Cross multiply
    13,722.96x = 18,937.70 × 7,435.33
  4. Step 4: Simplify right side
    13,722.96x = 140,808,048.94
  5. Step 5: Solve for x
    x = 140,808,048.94/13,722.96
  6. Step 6: Final answer
    x = 10,260.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.