Home / 14,146.81-19,523.55-8,179.99

Finding the Fourth Proportional to 14,146.81, 19,523.55 and 8,179.99

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Solution

The fourth proportional to 14,146.81, 19,523.55 and 8,179.99 is: 11,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.81 : 19,523.55 = 8,179.99 : x
  2. Step 2: Convert to fraction form
    14,146.81/19,523.55 = 8,179.99/x
  3. Step 3: Cross multiply
    14,146.81x = 19,523.55 × 8,179.99
  4. Step 4: Simplify right side
    14,146.81x = 159,702,443.76
  5. Step 5: Solve for x
    x = 159,702,443.76/14,146.81
  6. Step 6: Final answer
    x = 11,288.94

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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.