Home / 19,361.17-26,721.53-10,980.37

Finding the Fourth Proportional to 19,361.17, 26,721.53 and 10,980.37

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Solution

The fourth proportional to 19,361.17, 26,721.53 and 10,980.37 is: 15,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.17 : 26,721.53 = 10,980.37 : x
  2. Step 2: Convert to fraction form
    19,361.17/26,721.53 = 10,980.37/x
  3. Step 3: Cross multiply
    19,361.17x = 26,721.53 × 10,980.37
  4. Step 4: Simplify right side
    19,361.17x = 293,412,286.37
  5. Step 5: Solve for x
    x = 293,412,286.37/19,361.17
  6. Step 6: Final answer
    x = 15,154.68

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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.