Home / 17,388.19-26,082.56-4,240.81

Finding the Fourth Proportional to 17,388.19, 26,082.56 and 4,240.81

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Solution

The fourth proportional to 17,388.19, 26,082.56 and 4,240.81 is: 6,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.19 : 26,082.56 = 4,240.81 : x
  2. Step 2: Convert to fraction form
    17,388.19/26,082.56 = 4,240.81/x
  3. Step 3: Cross multiply
    17,388.19x = 26,082.56 × 4,240.81
  4. Step 4: Simplify right side
    17,388.19x = 110,611,160.07
  5. Step 5: Solve for x
    x = 110,611,160.07/17,388.19
  6. Step 6: Final answer
    x = 6,361.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.