Home / 15,695.56-21,659.80-8,525.44

Finding the Fourth Proportional to 15,695.56, 21,659.80 and 8,525.44

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Solution

The fourth proportional to 15,695.56, 21,659.80 and 8,525.44 is: 11,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.56 : 21,659.80 = 8,525.44 : x
  2. Step 2: Convert to fraction form
    15,695.56/21,659.80 = 8,525.44/x
  3. Step 3: Cross multiply
    15,695.56x = 21,659.80 × 8,525.44
  4. Step 4: Simplify right side
    15,695.56x = 184,659,325.31
  5. Step 5: Solve for x
    x = 184,659,325.31/15,695.56
  6. Step 6: Final answer
    x = 11,765.07

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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.