Home / 14,670.24-20,243.88-8,382.48

Finding the Fourth Proportional to 14,670.24, 20,243.88 and 8,382.48

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Solution

The fourth proportional to 14,670.24, 20,243.88 and 8,382.48 is: 11,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.24 : 20,243.88 = 8,382.48 : x
  2. Step 2: Convert to fraction form
    14,670.24/20,243.88 = 8,382.48/x
  3. Step 3: Cross multiply
    14,670.24x = 20,243.88 × 8,382.48
  4. Step 4: Simplify right side
    14,670.24x = 169,693,919.22
  5. Step 5: Solve for x
    x = 169,693,919.22/14,670.24
  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.