Home / 13,924.51-20,881.60-5,601.69

Finding the Fourth Proportional to 13,924.51, 20,881.60 and 5,601.69

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Solution

The fourth proportional to 13,924.51, 20,881.60 and 5,601.69 is: 8,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.51 : 20,881.60 = 5,601.69 : x
  2. Step 2: Convert to fraction form
    13,924.51/20,881.60 = 5,601.69/x
  3. Step 3: Cross multiply
    13,924.51x = 20,881.60 × 5,601.69
  4. Step 4: Simplify right side
    13,924.51x = 116,972,249.90
  5. Step 5: Solve for x
    x = 116,972,249.90/13,924.51
  6. Step 6: Final answer
    x = 8,400.46

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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.