Home / 14,663.86-20,236.38-8,376.28

Finding the Fourth Proportional to 14,663.86, 20,236.38 and 8,376.28

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Solution

The fourth proportional to 14,663.86, 20,236.38 and 8,376.28 is: 11,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.86 : 20,236.38 = 8,376.28 : x
  2. Step 2: Convert to fraction form
    14,663.86/20,236.38 = 8,376.28/x
  3. Step 3: Cross multiply
    14,663.86x = 20,236.38 × 8,376.28
  4. Step 4: Simplify right side
    14,663.86x = 169,505,585.07
  5. Step 5: Solve for x
    x = 169,505,585.07/14,663.86
  6. Step 6: Final answer
    x = 11,559.41

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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.