Home / 18,977.24-28,467.84-6,498.56

Finding the Fourth Proportional to 18,977.24, 28,467.84 and 6,498.56

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Solution

The fourth proportional to 18,977.24, 28,467.84 and 6,498.56 is: 9,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.24 : 28,467.84 = 6,498.56 : x
  2. Step 2: Convert to fraction form
    18,977.24/28,467.84 = 6,498.56/x
  3. Step 3: Cross multiply
    18,977.24x = 28,467.84 × 6,498.56
  4. Step 4: Simplify right side
    18,977.24x = 184,999,966.31
  5. Step 5: Solve for x
    x = 184,999,966.31/18,977.24
  6. Step 6: Final answer
    x = 9,748.52

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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.