Home / 14,194.38-21,269.67-8,989.32

Finding the Fourth Proportional to 14,194.38, 21,269.67 and 8,989.32

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Solution

The fourth proportional to 14,194.38, 21,269.67 and 8,989.32 is: 13,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.38 : 21,269.67 = 8,989.32 : x
  2. Step 2: Convert to fraction form
    14,194.38/21,269.67 = 8,989.32/x
  3. Step 3: Cross multiply
    14,194.38x = 21,269.67 × 8,989.32
  4. Step 4: Simplify right side
    14,194.38x = 191,199,869.92
  5. Step 5: Solve for x
    x = 191,199,869.92/14,194.38
  6. Step 6: Final answer
    x = 13,470.11

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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.