Home / 11,887.12-17,825.16-5,313.34

Finding the Fourth Proportional to 11,887.12, 17,825.16 and 5,313.34

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Solution

The fourth proportional to 11,887.12, 17,825.16 and 5,313.34 is: 7,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.12 : 17,825.16 = 5,313.34 : x
  2. Step 2: Convert to fraction form
    11,887.12/17,825.16 = 5,313.34/x
  3. Step 3: Cross multiply
    11,887.12x = 17,825.16 × 5,313.34
  4. Step 4: Simplify right side
    11,887.12x = 94,711,135.63
  5. Step 5: Solve for x
    x = 94,711,135.63/11,887.12
  6. Step 6: Final answer
    x = 7,967.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.