Home / 13,020.08-17,964.72-7,354.53

Finding the Fourth Proportional to 13,020.08, 17,964.72 and 7,354.53

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Solution

The fourth proportional to 13,020.08, 17,964.72 and 7,354.53 is: 10,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.08 : 17,964.72 = 7,354.53 : x
  2. Step 2: Convert to fraction form
    13,020.08/17,964.72 = 7,354.53/x
  3. Step 3: Cross multiply
    13,020.08x = 17,964.72 × 7,354.53
  4. Step 4: Simplify right side
    13,020.08x = 132,122,072.18
  5. Step 5: Solve for x
    x = 132,122,072.18/13,020.08
  6. Step 6: Final answer
    x = 10,147.57

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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.