Home / 13,288.95-19,932.83-4,523.91

Finding the Fourth Proportional to 13,288.95, 19,932.83 and 4,523.91

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Solution

The fourth proportional to 13,288.95, 19,932.83 and 4,523.91 is: 6,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.95 : 19,932.83 = 4,523.91 : x
  2. Step 2: Convert to fraction form
    13,288.95/19,932.83 = 4,523.91/x
  3. Step 3: Cross multiply
    13,288.95x = 19,932.83 × 4,523.91
  4. Step 4: Simplify right side
    13,288.95x = 90,174,306.35
  5. Step 5: Solve for x
    x = 90,174,306.35/13,288.95
  6. Step 6: Final answer
    x = 6,785.66

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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.