Home / 15,791.24-21,800.81-12,594.27

Finding the Fourth Proportional to 15,791.24, 21,800.81 and 12,594.27

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Solution

The fourth proportional to 15,791.24, 21,800.81 and 12,594.27 is: 17,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.24 : 21,800.81 = 12,594.27 : x
  2. Step 2: Convert to fraction form
    15,791.24/21,800.81 = 12,594.27/x
  3. Step 3: Cross multiply
    15,791.24x = 21,800.81 × 12,594.27
  4. Step 4: Simplify right side
    15,791.24x = 274,565,287.36
  5. Step 5: Solve for x
    x = 274,565,287.36/15,791.24
  6. Step 6: Final answer
    x = 17,387.19

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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.