Home / 19,137.86-28,695.75-7,437.41

Finding the Fourth Proportional to 19,137.86, 28,695.75 and 7,437.41

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Solution

The fourth proportional to 19,137.86, 28,695.75 and 7,437.41 is: 11,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.86 : 28,695.75 = 7,437.41 : x
  2. Step 2: Convert to fraction form
    19,137.86/28,695.75 = 7,437.41/x
  3. Step 3: Cross multiply
    19,137.86x = 28,695.75 × 7,437.41
  4. Step 4: Simplify right side
    19,137.86x = 213,422,058.01
  5. Step 5: Solve for x
    x = 213,422,058.01/19,137.86
  6. Step 6: Final answer
    x = 11,151.82

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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.