Home / 13,207.23-19,805.52-5,605.38

Finding the Fourth Proportional to 13,207.23, 19,805.52 and 5,605.38

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Solution

The fourth proportional to 13,207.23, 19,805.52 and 5,605.38 is: 8,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.23 : 19,805.52 = 5,605.38 : x
  2. Step 2: Convert to fraction form
    13,207.23/19,805.52 = 5,605.38/x
  3. Step 3: Cross multiply
    13,207.23x = 19,805.52 × 5,605.38
  4. Step 4: Simplify right side
    13,207.23x = 111,017,465.70
  5. Step 5: Solve for x
    x = 111,017,465.70/13,207.23
  6. Step 6: Final answer
    x = 8,405.81

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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.