Home / 19,388.56-29,082.84-6,240.93

Finding the Fourth Proportional to 19,388.56, 29,082.84 and 6,240.93

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Solution

The fourth proportional to 19,388.56, 29,082.84 and 6,240.93 is: 9,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.56 : 29,082.84 = 6,240.93 : x
  2. Step 2: Convert to fraction form
    19,388.56/29,082.84 = 6,240.93/x
  3. Step 3: Cross multiply
    19,388.56x = 29,082.84 × 6,240.93
  4. Step 4: Simplify right side
    19,388.56x = 181,503,968.64
  5. Step 5: Solve for x
    x = 181,503,968.64/19,388.56
  6. Step 6: Final answer
    x = 9,361.40

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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.