Home / 19,664.87-27,137.34-10,712.39

Finding the Fourth Proportional to 19,664.87, 27,137.34 and 10,712.39

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Solution

The fourth proportional to 19,664.87, 27,137.34 and 10,712.39 is: 14,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.87 : 27,137.34 = 10,712.39 : x
  2. Step 2: Convert to fraction form
    19,664.87/27,137.34 = 10,712.39/x
  3. Step 3: Cross multiply
    19,664.87x = 27,137.34 × 10,712.39
  4. Step 4: Simplify right side
    19,664.87x = 290,705,633.96
  5. Step 5: Solve for x
    x = 290,705,633.96/19,664.87
  6. Step 6: Final answer
    x = 14,783.00

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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.