Home / 14,129.04-21,170.52-7,194

Finding the Fourth Proportional to 14,129.04, 21,170.52 and 7,194

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Solution

The fourth proportional to 14,129.04, 21,170.52 and 7,194 is: 10,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.04 : 21,170.52 = 7,194 : x
  2. Step 2: Convert to fraction form
    14,129.04/21,170.52 = 7,194/x
  3. Step 3: Cross multiply
    14,129.04x = 21,170.52 × 7,194
  4. Step 4: Simplify right side
    14,129.04x = 152,300,720.88
  5. Step 5: Solve for x
    x = 152,300,720.88/14,129.04
  6. Step 6: Final answer
    x = 10,779.27

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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.