Home / 14,556.39-20,089.95-8,183.51

Finding the Fourth Proportional to 14,556.39, 20,089.95 and 8,183.51

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Solution

The fourth proportional to 14,556.39, 20,089.95 and 8,183.51 is: 11,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.39 : 20,089.95 = 8,183.51 : x
  2. Step 2: Convert to fraction form
    14,556.39/20,089.95 = 8,183.51/x
  3. Step 3: Cross multiply
    14,556.39x = 20,089.95 × 8,183.51
  4. Step 4: Simplify right side
    14,556.39x = 164,406,288.59
  5. Step 5: Solve for x
    x = 164,406,288.59/14,556.39
  6. Step 6: Final answer
    x = 11,294.44

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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.