Home / 13,021.65-19,528.43-4,700.57

Finding the Fourth Proportional to 13,021.65, 19,528.43 and 4,700.57

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Solution

The fourth proportional to 13,021.65, 19,528.43 and 4,700.57 is: 7,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.65 : 19,528.43 = 4,700.57 : x
  2. Step 2: Convert to fraction form
    13,021.65/19,528.43 = 4,700.57/x
  3. Step 3: Cross multiply
    13,021.65x = 19,528.43 × 4,700.57
  4. Step 4: Simplify right side
    13,021.65x = 91,794,631.06
  5. Step 5: Solve for x
    x = 91,794,631.06/13,021.65
  6. Step 6: Final answer
    x = 7,049.39

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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.