Home / 19,415.19-29,124.01-5,183.40

Finding the Fourth Proportional to 19,415.19, 29,124.01 and 5,183.40

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Solution

The fourth proportional to 19,415.19, 29,124.01 and 5,183.40 is: 7,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.19 : 29,124.01 = 5,183.40 : x
  2. Step 2: Convert to fraction form
    19,415.19/29,124.01 = 5,183.40/x
  3. Step 3: Cross multiply
    19,415.19x = 29,124.01 × 5,183.40
  4. Step 4: Simplify right side
    19,415.19x = 150,961,393.43
  5. Step 5: Solve for x
    x = 150,961,393.43/19,415.19
  6. Step 6: Final answer
    x = 7,775.43

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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.