Home / 19,512.80-29,275.77-6,187.98

Finding the Fourth Proportional to 19,512.80, 29,275.77 and 6,187.98

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Solution

The fourth proportional to 19,512.80, 29,275.77 and 6,187.98 is: 9,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.80 : 29,275.77 = 6,187.98 : x
  2. Step 2: Convert to fraction form
    19,512.80/29,275.77 = 6,187.98/x
  3. Step 3: Cross multiply
    19,512.80x = 29,275.77 × 6,187.98
  4. Step 4: Simplify right side
    19,512.80x = 181,157,879.24
  5. Step 5: Solve for x
    x = 181,157,879.24/19,512.80
  6. Step 6: Final answer
    x = 9,284.05

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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.