Home / 13,883.03-19,157.43-7,913.57

Finding the Fourth Proportional to 13,883.03, 19,157.43 and 7,913.57

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Solution

The fourth proportional to 13,883.03, 19,157.43 and 7,913.57 is: 10,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.03 : 19,157.43 = 7,913.57 : x
  2. Step 2: Convert to fraction form
    13,883.03/19,157.43 = 7,913.57/x
  3. Step 3: Cross multiply
    13,883.03x = 19,157.43 × 7,913.57
  4. Step 4: Simplify right side
    13,883.03x = 151,603,567.54
  5. Step 5: Solve for x
    x = 151,603,567.54/13,883.03
  6. Step 6: Final answer
    x = 10,920.07

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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.