Home / 9,990.54-14,986.62-4,150.98

Finding the Fourth Proportional to 9,990.54, 14,986.62 and 4,150.98

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Solution

The fourth proportional to 9,990.54, 14,986.62 and 4,150.98 is: 6,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.54 : 14,986.62 = 4,150.98 : x
  2. Step 2: Convert to fraction form
    9,990.54/14,986.62 = 4,150.98/x
  3. Step 3: Cross multiply
    9,990.54x = 14,986.62 × 4,150.98
  4. Step 4: Simplify right side
    9,990.54x = 62,209,159.89
  5. Step 5: Solve for x
    x = 62,209,159.89/9,990.54
  6. Step 6: Final answer
    x = 6,226.81

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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.