Home / 19,403.06-29,103.21-6,921.66

Finding the Fourth Proportional to 19,403.06, 29,103.21 and 6,921.66

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Solution

The fourth proportional to 19,403.06, 29,103.21 and 6,921.66 is: 10,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.06 : 29,103.21 = 6,921.66 : x
  2. Step 2: Convert to fraction form
    19,403.06/29,103.21 = 6,921.66/x
  3. Step 3: Cross multiply
    19,403.06x = 29,103.21 × 6,921.66
  4. Step 4: Simplify right side
    19,403.06x = 201,442,633.67
  5. Step 5: Solve for x
    x = 201,442,633.67/19,403.06
  6. Step 6: Final answer
    x = 10,382.01

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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.