Home / 11,259.81-15,538.37-6,223.64

Finding the Fourth Proportional to 11,259.81, 15,538.37 and 6,223.64

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Solution

The fourth proportional to 11,259.81, 15,538.37 and 6,223.64 is: 8,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.81 : 15,538.37 = 6,223.64 : x
  2. Step 2: Convert to fraction form
    11,259.81/15,538.37 = 6,223.64/x
  3. Step 3: Cross multiply
    11,259.81x = 15,538.37 × 6,223.64
  4. Step 4: Simplify right side
    11,259.81x = 96,705,112.26
  5. Step 5: Solve for x
    x = 96,705,112.26/11,259.81
  6. Step 6: Final answer
    x = 8,588.52

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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.