Home / 14,230.48-19,639.05-8,262.81

Finding the Fourth Proportional to 14,230.48, 19,639.05 and 8,262.81

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Solution

The fourth proportional to 14,230.48, 19,639.05 and 8,262.81 is: 11,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.48 : 19,639.05 = 8,262.81 : x
  2. Step 2: Convert to fraction form
    14,230.48/19,639.05 = 8,262.81/x
  3. Step 3: Cross multiply
    14,230.48x = 19,639.05 × 8,262.81
  4. Step 4: Simplify right side
    14,230.48x = 162,273,738.73
  5. Step 5: Solve for x
    x = 162,273,738.73/14,230.48
  6. Step 6: Final answer
    x = 11,403.25

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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.