Home / 14,557.43-20,089.15-8,269.81

Finding the Fourth Proportional to 14,557.43, 20,089.15 and 8,269.81

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Solution

The fourth proportional to 14,557.43, 20,089.15 and 8,269.81 is: 11,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.43 : 20,089.15 = 8,269.81 : x
  2. Step 2: Convert to fraction form
    14,557.43/20,089.15 = 8,269.81/x
  3. Step 3: Cross multiply
    14,557.43x = 20,089.15 × 8,269.81
  4. Step 4: Simplify right side
    14,557.43x = 166,133,382.66
  5. Step 5: Solve for x
    x = 166,133,382.66/14,557.43
  6. Step 6: Final answer
    x = 11,412.27

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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.