Home / 14,288.70-19,719.45-8,624.83

Finding the Fourth Proportional to 14,288.70, 19,719.45 and 8,624.83

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Solution

The fourth proportional to 14,288.70, 19,719.45 and 8,624.83 is: 11,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.70 : 19,719.45 = 8,624.83 : x
  2. Step 2: Convert to fraction form
    14,288.70/19,719.45 = 8,624.83/x
  3. Step 3: Cross multiply
    14,288.70x = 19,719.45 × 8,624.83
  4. Step 4: Simplify right side
    14,288.70x = 170,076,891.62
  5. Step 5: Solve for x
    x = 170,076,891.62/14,288.70
  6. Step 6: Final answer
    x = 11,902.89

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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.