Home / 13,303.49-19,958.36-4,538.43

Finding the Fourth Proportional to 13,303.49, 19,958.36 and 4,538.43

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Solution

The fourth proportional to 13,303.49, 19,958.36 and 4,538.43 is: 6,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.49 : 19,958.36 = 4,538.43 : x
  2. Step 2: Convert to fraction form
    13,303.49/19,958.36 = 4,538.43/x
  3. Step 3: Cross multiply
    13,303.49x = 19,958.36 × 4,538.43
  4. Step 4: Simplify right side
    13,303.49x = 90,579,597.08
  5. Step 5: Solve for x
    x = 90,579,597.08/13,303.49
  6. Step 6: Final answer
    x = 6,808.71

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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.