Home / 19,705.05-27,193.04-10,752.75

Finding the Fourth Proportional to 19,705.05, 27,193.04 and 10,752.75

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Solution

The fourth proportional to 19,705.05, 27,193.04 and 10,752.75 is: 14,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.05 : 27,193.04 = 10,752.75 : x
  2. Step 2: Convert to fraction form
    19,705.05/27,193.04 = 10,752.75/x
  3. Step 3: Cross multiply
    19,705.05x = 27,193.04 × 10,752.75
  4. Step 4: Simplify right side
    19,705.05x = 292,399,977.66
  5. Step 5: Solve for x
    x = 292,399,977.66/19,705.05
  6. Step 6: Final answer
    x = 14,838.84

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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.