Home / 18,784.21-25,863.01-14,293.57

Finding the Fourth Proportional to 18,784.21, 25,863.01 and 14,293.57

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Solution

The fourth proportional to 18,784.21, 25,863.01 and 14,293.57 is: 19,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.21 : 25,863.01 = 14,293.57 : x
  2. Step 2: Convert to fraction form
    18,784.21/25,863.01 = 14,293.57/x
  3. Step 3: Cross multiply
    18,784.21x = 25,863.01 × 14,293.57
  4. Step 4: Simplify right side
    18,784.21x = 369,674,743.85
  5. Step 5: Solve for x
    x = 369,674,743.85/18,784.21
  6. Step 6: Final answer
    x = 19,680.08

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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.