Home / 13,662.24-18,861.10-10,476.05

Finding the Fourth Proportional to 13,662.24, 18,861.10 and 10,476.05

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Solution

The fourth proportional to 13,662.24, 18,861.10 and 10,476.05 is: 14,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.24 : 18,861.10 = 10,476.05 : x
  2. Step 2: Convert to fraction form
    13,662.24/18,861.10 = 10,476.05/x
  3. Step 3: Cross multiply
    13,662.24x = 18,861.10 × 10,476.05
  4. Step 4: Simplify right side
    13,662.24x = 197,589,871.18
  5. Step 5: Solve for x
    x = 197,589,871.18/13,662.24
  6. Step 6: Final answer
    x = 14,462.48

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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.