Home / 13,982.81-19,296.69-7,695.19

Finding the Fourth Proportional to 13,982.81, 19,296.69 and 7,695.19

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Solution

The fourth proportional to 13,982.81, 19,296.69 and 7,695.19 is: 10,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.81 : 19,296.69 = 7,695.19 : x
  2. Step 2: Convert to fraction form
    13,982.81/19,296.69 = 7,695.19/x
  3. Step 3: Cross multiply
    13,982.81x = 19,296.69 × 7,695.19
  4. Step 4: Simplify right side
    13,982.81x = 148,491,647.68
  5. Step 5: Solve for x
    x = 148,491,647.68/13,982.81
  6. Step 6: Final answer
    x = 10,619.58

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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.