Home / 14,653.51-21,979.96-9,391.07

Finding the Fourth Proportional to 14,653.51, 21,979.96 and 9,391.07

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Solution

The fourth proportional to 14,653.51, 21,979.96 and 9,391.07 is: 14,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.51 : 21,979.96 = 9,391.07 : x
  2. Step 2: Convert to fraction form
    14,653.51/21,979.96 = 9,391.07/x
  3. Step 3: Cross multiply
    14,653.51x = 21,979.96 × 9,391.07
  4. Step 4: Simplify right side
    14,653.51x = 206,415,374.43
  5. Step 5: Solve for x
    x = 206,415,374.43/14,653.51
  6. Step 6: Final answer
    x = 14,086.41

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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.