Home / 19,318.82-28,982.57-10,433.96

Finding the Fourth Proportional to 19,318.82, 28,982.57 and 10,433.96

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Solution

The fourth proportional to 19,318.82, 28,982.57 and 10,433.96 is: 15,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.82 : 28,982.57 = 10,433.96 : x
  2. Step 2: Convert to fraction form
    19,318.82/28,982.57 = 10,433.96/x
  3. Step 3: Cross multiply
    19,318.82x = 28,982.57 × 10,433.96
  4. Step 4: Simplify right side
    19,318.82x = 302,402,778.99
  5. Step 5: Solve for x
    x = 302,402,778.99/19,318.82
  6. Step 6: Final answer
    x = 15,653.28

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1.5x scale

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.