Home / 19,647.77-29,471.85-7,958.25

Finding the Fourth Proportional to 19,647.77, 29,471.85 and 7,958.25

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Solution

The fourth proportional to 19,647.77, 29,471.85 and 7,958.25 is: 11,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.77 : 29,471.85 = 7,958.25 : x
  2. Step 2: Convert to fraction form
    19,647.77/29,471.85 = 7,958.25/x
  3. Step 3: Cross multiply
    19,647.77x = 29,471.85 × 7,958.25
  4. Step 4: Simplify right side
    19,647.77x = 234,544,350.26
  5. Step 5: Solve for x
    x = 234,544,350.26/19,647.77
  6. Step 6: Final answer
    x = 11,937.46

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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.