Home / 11,290.24-15,583.14-7,513.57

Finding the Fourth Proportional to 11,290.24, 15,583.14 and 7,513.57

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Solution

The fourth proportional to 11,290.24, 15,583.14 and 7,513.57 is: 10,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.24 : 15,583.14 = 7,513.57 : x
  2. Step 2: Convert to fraction form
    11,290.24/15,583.14 = 7,513.57/x
  3. Step 3: Cross multiply
    11,290.24x = 15,583.14 × 7,513.57
  4. Step 4: Simplify right side
    11,290.24x = 117,084,974.25
  5. Step 5: Solve for x
    x = 117,084,974.25/11,290.24
  6. Step 6: Final answer
    x = 10,370.46

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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.