Home / 15,788.21-23,684.47-5,791.66

Finding the Fourth Proportional to 15,788.21, 23,684.47 and 5,791.66

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Solution

The fourth proportional to 15,788.21, 23,684.47 and 5,791.66 is: 8,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.21 : 23,684.47 = 5,791.66 : x
  2. Step 2: Convert to fraction form
    15,788.21/23,684.47 = 5,791.66/x
  3. Step 3: Cross multiply
    15,788.21x = 23,684.47 × 5,791.66
  4. Step 4: Simplify right side
    15,788.21x = 137,172,323.83
  5. Step 5: Solve for x
    x = 137,172,323.83/15,788.21
  6. Step 6: Final answer
    x = 8,688.28

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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.