Home / 14,420.83-21,618.29-5,662.03

Finding the Fourth Proportional to 14,420.83, 21,618.29 and 5,662.03

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Solution

The fourth proportional to 14,420.83, 21,618.29 and 5,662.03 is: 8,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.83 : 21,618.29 = 5,662.03 : x
  2. Step 2: Convert to fraction form
    14,420.83/21,618.29 = 5,662.03/x
  3. Step 3: Cross multiply
    14,420.83x = 21,618.29 × 5,662.03
  4. Step 4: Simplify right side
    14,420.83x = 122,403,378.22
  5. Step 5: Solve for x
    x = 122,403,378.22/14,420.83
  6. Step 6: Final answer
    x = 8,487.96

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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.