Home / 9,982.24-13,759.40-7,289.19

Finding the Fourth Proportional to 9,982.24, 13,759.40 and 7,289.19

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Solution

The fourth proportional to 9,982.24, 13,759.40 and 7,289.19 is: 10,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.24 : 13,759.40 = 7,289.19 : x
  2. Step 2: Convert to fraction form
    9,982.24/13,759.40 = 7,289.19/x
  3. Step 3: Cross multiply
    9,982.24x = 13,759.40 × 7,289.19
  4. Step 4: Simplify right side
    9,982.24x = 100,294,899.11
  5. Step 5: Solve for x
    x = 100,294,899.11/9,982.24
  6. Step 6: Final answer
    x = 10,047.34

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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.