Home / 20,299.33-27,994.93-12,746.37

Finding the Fourth Proportional to 20,299.33, 27,994.93 and 12,746.37

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Solution

The fourth proportional to 20,299.33, 27,994.93 and 12,746.37 is: 17,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299.33 : 27,994.93 = 12,746.37 : x
  2. Step 2: Convert to fraction form
    20,299.33/27,994.93 = 12,746.37/x
  3. Step 3: Cross multiply
    20,299.33x = 27,994.93 × 12,746.37
  4. Step 4: Simplify right side
    20,299.33x = 356,833,809.02
  5. Step 5: Solve for x
    x = 356,833,809.02/20,299.33
  6. Step 6: Final answer
    x = 17,578.60

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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.