Home / 14,189.04-19,579.42-8,222.62

Finding the Fourth Proportional to 14,189.04, 19,579.42 and 8,222.62

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Solution

The fourth proportional to 14,189.04, 19,579.42 and 8,222.62 is: 11,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.04 : 19,579.42 = 8,222.62 : x
  2. Step 2: Convert to fraction form
    14,189.04/19,579.42 = 8,222.62/x
  3. Step 3: Cross multiply
    14,189.04x = 19,579.42 × 8,222.62
  4. Step 4: Simplify right side
    14,189.04x = 160,994,130.48
  5. Step 5: Solve for x
    x = 160,994,130.48/14,189.04
  6. Step 6: Final answer
    x = 11,346.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.