Home / 13,206.30-19,812.42-4,886.33

Finding the Fourth Proportional to 13,206.30, 19,812.42 and 4,886.33

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Solution

The fourth proportional to 13,206.30, 19,812.42 and 4,886.33 is: 7,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.30 : 19,812.42 = 4,886.33 : x
  2. Step 2: Convert to fraction form
    13,206.30/19,812.42 = 4,886.33/x
  3. Step 3: Cross multiply
    13,206.30x = 19,812.42 × 4,886.33
  4. Step 4: Simplify right side
    13,206.30x = 96,809,923.16
  5. Step 5: Solve for x
    x = 96,809,923.16/13,206.30
  6. Step 6: Final answer
    x = 7,330.59

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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.