Home / 18,159.39-25,073.96-14,638.32

Finding the Fourth Proportional to 18,159.39, 25,073.96 and 14,638.32

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Solution

The fourth proportional to 18,159.39, 25,073.96 and 14,638.32 is: 20,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.39 : 25,073.96 = 14,638.32 : x
  2. Step 2: Convert to fraction form
    18,159.39/25,073.96 = 14,638.32/x
  3. Step 3: Cross multiply
    18,159.39x = 25,073.96 × 14,638.32
  4. Step 4: Simplify right side
    18,159.39x = 367,040,576.96
  5. Step 5: Solve for x
    x = 367,040,576.96/18,159.39
  6. Step 6: Final answer
    x = 20,212.16

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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.