Home / 19,211.37-28,830.00-6,731.51

Finding the Fourth Proportional to 19,211.37, 28,830.00 and 6,731.51

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Solution

The fourth proportional to 19,211.37, 28,830.00 and 6,731.51 is: 10,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.37 : 28,830.00 = 6,731.51 : x
  2. Step 2: Convert to fraction form
    19,211.37/28,830.00 = 6,731.51/x
  3. Step 3: Cross multiply
    19,211.37x = 28,830.00 × 6,731.51
  4. Step 4: Simplify right side
    19,211.37x = 194,069,263.91
  5. Step 5: Solve for x
    x = 194,069,263.91/19,211.37
  6. Step 6: Final answer
    x = 10,101.79

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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.