Home / 18,377.15-27,579.59-13,459.54

Finding the Fourth Proportional to 18,377.15, 27,579.59 and 13,459.54

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Solution

The fourth proportional to 18,377.15, 27,579.59 and 13,459.54 is: 20,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.15 : 27,579.59 = 13,459.54 : x
  2. Step 2: Convert to fraction form
    18,377.15/27,579.59 = 13,459.54/x
  3. Step 3: Cross multiply
    18,377.15x = 27,579.59 × 13,459.54
  4. Step 4: Simplify right side
    18,377.15x = 371,208,594.79
  5. Step 5: Solve for x
    x = 371,208,594.79/18,377.15
  6. Step 6: Final answer
    x = 20,199.46

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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.