Home / 11,458.26-15,804.72-7,480.35

Finding the Fourth Proportional to 11,458.26, 15,804.72 and 7,480.35

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Solution

The fourth proportional to 11,458.26, 15,804.72 and 7,480.35 is: 10,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.26 : 15,804.72 = 7,480.35 : x
  2. Step 2: Convert to fraction form
    11,458.26/15,804.72 = 7,480.35/x
  3. Step 3: Cross multiply
    11,458.26x = 15,804.72 × 7,480.35
  4. Step 4: Simplify right side
    11,458.26x = 118,224,837.25
  5. Step 5: Solve for x
    x = 118,224,837.25/11,458.26
  6. Step 6: Final answer
    x = 10,317.87

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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.