Home / 19,659.56-29,471.63-7,170.87

Finding the Fourth Proportional to 19,659.56, 29,471.63 and 7,170.87

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Solution

The fourth proportional to 19,659.56, 29,471.63 and 7,170.87 is: 10,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.56 : 29,471.63 = 7,170.87 : x
  2. Step 2: Convert to fraction form
    19,659.56/29,471.63 = 7,170.87/x
  3. Step 3: Cross multiply
    19,659.56x = 29,471.63 × 7,170.87
  4. Step 4: Simplify right side
    19,659.56x = 211,337,245.35
  5. Step 5: Solve for x
    x = 211,337,245.35/19,659.56
  6. Step 6: Final answer
    x = 10,749.85

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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.