Home / 14,359.24-19,815.75-8,071.62

Finding the Fourth Proportional to 14,359.24, 19,815.75 and 8,071.62

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Solution

The fourth proportional to 14,359.24, 19,815.75 and 8,071.62 is: 11,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.24 : 19,815.75 = 8,071.62 : x
  2. Step 2: Convert to fraction form
    14,359.24/19,815.75 = 8,071.62/x
  3. Step 3: Cross multiply
    14,359.24x = 19,815.75 × 8,071.62
  4. Step 4: Simplify right side
    14,359.24x = 159,945,204.02
  5. Step 5: Solve for x
    x = 159,945,204.02/14,359.24
  6. Step 6: Final answer
    x = 11,138.83

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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.