Home / 12,889.25-19,332.90-4,004.33

Finding the Fourth Proportional to 12,889.25, 19,332.90 and 4,004.33

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Solution

The fourth proportional to 12,889.25, 19,332.90 and 4,004.33 is: 6,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.25 : 19,332.90 = 4,004.33 : x
  2. Step 2: Convert to fraction form
    12,889.25/19,332.90 = 4,004.33/x
  3. Step 3: Cross multiply
    12,889.25x = 19,332.90 × 4,004.33
  4. Step 4: Simplify right side
    12,889.25x = 77,415,214.79
  5. Step 5: Solve for x
    x = 77,415,214.79/12,889.25
  6. Step 6: Final answer
    x = 6,006.19

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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.