Home / 19,707.53-27,200.94-12,994.34

Finding the Fourth Proportional to 19,707.53, 27,200.94 and 12,994.34

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Solution

The fourth proportional to 19,707.53, 27,200.94 and 12,994.34 is: 17,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.53 : 27,200.94 = 12,994.34 : x
  2. Step 2: Convert to fraction form
    19,707.53/27,200.94 = 12,994.34/x
  3. Step 3: Cross multiply
    19,707.53x = 27,200.94 × 12,994.34
  4. Step 4: Simplify right side
    19,707.53x = 353,458,262.68
  5. Step 5: Solve for x
    x = 353,458,262.68/19,707.53
  6. Step 6: Final answer
    x = 17,935.19

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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.