Home / 18,890.44-28,321.80-9,525.82

Finding the Fourth Proportional to 18,890.44, 28,321.80 and 9,525.82

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Solution

The fourth proportional to 18,890.44, 28,321.80 and 9,525.82 is: 14,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.44 : 28,321.80 = 9,525.82 : x
  2. Step 2: Convert to fraction form
    18,890.44/28,321.80 = 9,525.82/x
  3. Step 3: Cross multiply
    18,890.44x = 28,321.80 × 9,525.82
  4. Step 4: Simplify right side
    18,890.44x = 269,788,368.88
  5. Step 5: Solve for x
    x = 269,788,368.88/18,890.44
  6. Step 6: Final answer
    x = 14,281.74

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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.