Home / 14,239.98-21,357.54-4,879.62

Finding the Fourth Proportional to 14,239.98, 21,357.54 and 4,879.62

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Solution

The fourth proportional to 14,239.98, 21,357.54 and 4,879.62 is: 7,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.98 : 21,357.54 = 4,879.62 : x
  2. Step 2: Convert to fraction form
    14,239.98/21,357.54 = 4,879.62/x
  3. Step 3: Cross multiply
    14,239.98x = 21,357.54 × 4,879.62
  4. Step 4: Simplify right side
    14,239.98x = 104,216,679.33
  5. Step 5: Solve for x
    x = 104,216,679.33/14,239.98
  6. Step 6: Final answer
    x = 7,318.60

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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.