Home / 10,830.33-16,248.74-4,986.99

Finding the Fourth Proportional to 10,830.33, 16,248.74 and 4,986.99

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Solution

The fourth proportional to 10,830.33, 16,248.74 and 4,986.99 is: 7,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.33 : 16,248.74 = 4,986.99 : x
  2. Step 2: Convert to fraction form
    10,830.33/16,248.74 = 4,986.99/x
  3. Step 3: Cross multiply
    10,830.33x = 16,248.74 × 4,986.99
  4. Step 4: Simplify right side
    10,830.33x = 81,032,278.96
  5. Step 5: Solve for x
    x = 81,032,278.96/10,830.33
  6. Step 6: Final answer
    x = 7,481.98

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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.