Home / 13,587.08-18,749.37-7,922.75

Finding the Fourth Proportional to 13,587.08, 18,749.37 and 7,922.75

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Solution

The fourth proportional to 13,587.08, 18,749.37 and 7,922.75 is: 10,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.08 : 18,749.37 = 7,922.75 : x
  2. Step 2: Convert to fraction form
    13,587.08/18,749.37 = 7,922.75/x
  3. Step 3: Cross multiply
    13,587.08x = 18,749.37 × 7,922.75
  4. Step 4: Simplify right side
    13,587.08x = 148,546,507.13
  5. Step 5: Solve for x
    x = 148,546,507.13/13,587.08
  6. Step 6: Final answer
    x = 10,932.93

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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.