Home / 13,072.19-19,610.71-4,309.61

Finding the Fourth Proportional to 13,072.19, 19,610.71 and 4,309.61

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Solution

The fourth proportional to 13,072.19, 19,610.71 and 4,309.61 is: 6,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.19 : 19,610.71 = 4,309.61 : x
  2. Step 2: Convert to fraction form
    13,072.19/19,610.71 = 4,309.61/x
  3. Step 3: Cross multiply
    13,072.19x = 19,610.71 × 4,309.61
  4. Step 4: Simplify right side
    13,072.19x = 84,514,403.10
  5. Step 5: Solve for x
    x = 84,514,403.10/13,072.19
  6. Step 6: Final answer
    x = 6,465.21

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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.