Home / 15,790.01-21,791.39-9,077.27

Finding the Fourth Proportional to 15,790.01, 21,791.39 and 9,077.27

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Solution

The fourth proportional to 15,790.01, 21,791.39 and 9,077.27 is: 12,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.01 : 21,791.39 = 9,077.27 : x
  2. Step 2: Convert to fraction form
    15,790.01/21,791.39 = 9,077.27/x
  3. Step 3: Cross multiply
    15,790.01x = 21,791.39 × 9,077.27
  4. Step 4: Simplify right side
    15,790.01x = 197,806,176.36
  5. Step 5: Solve for x
    x = 197,806,176.36/15,790.01
  6. Step 6: Final answer
    x = 12,527.30

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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.