Home / 18,653.31-25,751.07-14,394.80

Finding the Fourth Proportional to 18,653.31, 25,751.07 and 14,394.80

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Solution

The fourth proportional to 18,653.31, 25,751.07 and 14,394.80 is: 19,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.31 : 25,751.07 = 14,394.80 : x
  2. Step 2: Convert to fraction form
    18,653.31/25,751.07 = 14,394.80/x
  3. Step 3: Cross multiply
    18,653.31x = 25,751.07 × 14,394.80
  4. Step 4: Simplify right side
    18,653.31x = 370,681,402.07
  5. Step 5: Solve for x
    x = 370,681,402.07/18,653.31
  6. Step 6: Final answer
    x = 19,872.16

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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.