Home / 18,659.07-25,749.98-11,486.32

Finding the Fourth Proportional to 18,659.07, 25,749.98 and 11,486.32

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Solution

The fourth proportional to 18,659.07, 25,749.98 and 11,486.32 is: 15,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.07 : 25,749.98 = 11,486.32 : x
  2. Step 2: Convert to fraction form
    18,659.07/25,749.98 = 11,486.32/x
  3. Step 3: Cross multiply
    18,659.07x = 25,749.98 × 11,486.32
  4. Step 4: Simplify right side
    18,659.07x = 295,772,324.09
  5. Step 5: Solve for x
    x = 295,772,324.09/18,659.07
  6. Step 6: Final answer
    x = 15,851.40

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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.