Home / 11,348.37-15,656.36-8,371.28

Finding the Fourth Proportional to 11,348.37, 15,656.36 and 8,371.28

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Solution

The fourth proportional to 11,348.37, 15,656.36 and 8,371.28 is: 11,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.37 : 15,656.36 = 8,371.28 : x
  2. Step 2: Convert to fraction form
    11,348.37/15,656.36 = 8,371.28/x
  3. Step 3: Cross multiply
    11,348.37x = 15,656.36 × 8,371.28
  4. Step 4: Simplify right side
    11,348.37x = 131,063,770.63
  5. Step 5: Solve for x
    x = 131,063,770.63/11,348.37
  6. Step 6: Final answer
    x = 11,549.13

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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.