Home / 13,529.22-18,670.26-7,560.87

Finding the Fourth Proportional to 13,529.22, 18,670.26 and 7,560.87

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Solution

The fourth proportional to 13,529.22, 18,670.26 and 7,560.87 is: 10,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.22 : 18,670.26 = 7,560.87 : x
  2. Step 2: Convert to fraction form
    13,529.22/18,670.26 = 7,560.87/x
  3. Step 3: Cross multiply
    13,529.22x = 18,670.26 × 7,560.87
  4. Step 4: Simplify right side
    13,529.22x = 141,163,408.73
  5. Step 5: Solve for x
    x = 141,163,408.73/13,529.22
  6. Step 6: Final answer
    x = 10,433.97

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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.