Home / 14,670.22-20,244.54-8,382.19

Finding the Fourth Proportional to 14,670.22, 20,244.54 and 8,382.19

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Solution

The fourth proportional to 14,670.22, 20,244.54 and 8,382.19 is: 11,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.22 : 20,244.54 = 8,382.19 : x
  2. Step 2: Convert to fraction form
    14,670.22/20,244.54 = 8,382.19/x
  3. Step 3: Cross multiply
    14,670.22x = 20,244.54 × 8,382.19
  4. Step 4: Simplify right side
    14,670.22x = 169,693,561.56
  5. Step 5: Solve for x
    x = 169,693,561.56/14,670.22
  6. Step 6: Final answer
    x = 11,567.22

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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.