Home / 14,529.47-21,791.86-4,138.79

Finding the Fourth Proportional to 14,529.47, 21,791.86 and 4,138.79

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Solution

The fourth proportional to 14,529.47, 21,791.86 and 4,138.79 is: 6,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.47 : 21,791.86 = 4,138.79 : x
  2. Step 2: Convert to fraction form
    14,529.47/21,791.86 = 4,138.79/x
  3. Step 3: Cross multiply
    14,529.47x = 21,791.86 × 4,138.79
  4. Step 4: Simplify right side
    14,529.47x = 90,191,812.94
  5. Step 5: Solve for x
    x = 90,191,812.94/14,529.47
  6. Step 6: Final answer
    x = 6,207.51

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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.