Home / 14,242.30-19,656.20-8,579.99

Finding the Fourth Proportional to 14,242.30, 19,656.20 and 8,579.99

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Solution

The fourth proportional to 14,242.30, 19,656.20 and 8,579.99 is: 11,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.30 : 19,656.20 = 8,579.99 : x
  2. Step 2: Convert to fraction form
    14,242.30/19,656.20 = 8,579.99/x
  3. Step 3: Cross multiply
    14,242.30x = 19,656.20 × 8,579.99
  4. Step 4: Simplify right side
    14,242.30x = 168,650,070.03
  5. Step 5: Solve for x
    x = 168,650,070.03/14,242.30
  6. Step 6: Final answer
    x = 11,841.49

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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.