Home / 19,342.90-26,694.93-11,381.14

Finding the Fourth Proportional to 19,342.90, 26,694.93 and 11,381.14

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Solution

The fourth proportional to 19,342.90, 26,694.93 and 11,381.14 is: 15,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.90 : 26,694.93 = 11,381.14 : x
  2. Step 2: Convert to fraction form
    19,342.90/26,694.93 = 11,381.14/x
  3. Step 3: Cross multiply
    19,342.90x = 26,694.93 × 11,381.14
  4. Step 4: Simplify right side
    19,342.90x = 303,818,735.62
  5. Step 5: Solve for x
    x = 303,818,735.62/19,342.90
  6. Step 6: Final answer
    x = 15,706.99

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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.