Home / 19,889.96-29,828.63-6,739.25

Finding the Fourth Proportional to 19,889.96, 29,828.63 and 6,739.25

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Solution

The fourth proportional to 19,889.96, 29,828.63 and 6,739.25 is: 10,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.96 : 29,828.63 = 6,739.25 : x
  2. Step 2: Convert to fraction form
    19,889.96/29,828.63 = 6,739.25/x
  3. Step 3: Cross multiply
    19,889.96x = 29,828.63 × 6,739.25
  4. Step 4: Simplify right side
    19,889.96x = 201,022,411.89
  5. Step 5: Solve for x
    x = 201,022,411.89/19,889.96
  6. Step 6: Final answer
    x = 10,106.73

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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.