Home / 14,211.48-21,317.26-4,975.32

Finding the Fourth Proportional to 14,211.48, 21,317.26 and 4,975.32

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Solution

The fourth proportional to 14,211.48, 21,317.26 and 4,975.32 is: 7,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.48 : 21,317.26 = 4,975.32 : x
  2. Step 2: Convert to fraction form
    14,211.48/21,317.26 = 4,975.32/x
  3. Step 3: Cross multiply
    14,211.48x = 21,317.26 × 4,975.32
  4. Step 4: Simplify right side
    14,211.48x = 106,060,190.02
  5. Step 5: Solve for x
    x = 106,060,190.02/14,211.48
  6. Step 6: Final answer
    x = 7,462.99

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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.