Home / 14,414.40-19,893.33-9,109.71

Finding the Fourth Proportional to 14,414.40, 19,893.33 and 9,109.71

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Solution

The fourth proportional to 14,414.40, 19,893.33 and 9,109.71 is: 12,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.40 : 19,893.33 = 9,109.71 : x
  2. Step 2: Convert to fraction form
    14,414.40/19,893.33 = 9,109.71/x
  3. Step 3: Cross multiply
    14,414.40x = 19,893.33 × 9,109.71
  4. Step 4: Simplify right side
    14,414.40x = 181,222,467.23
  5. Step 5: Solve for x
    x = 181,222,467.23/14,414.40
  6. Step 6: Final answer
    x = 12,572.32

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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.