Home / 13,614.82-18,760.26-10,427.92

Finding the Fourth Proportional to 13,614.82, 18,760.26 and 10,427.92

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Solution

The fourth proportional to 13,614.82, 18,760.26 and 10,427.92 is: 14,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.82 : 18,760.26 = 10,427.92 : x
  2. Step 2: Convert to fraction form
    13,614.82/18,760.26 = 10,427.92/x
  3. Step 3: Cross multiply
    13,614.82x = 18,760.26 × 10,427.92
  4. Step 4: Simplify right side
    13,614.82x = 195,630,490.46
  5. Step 5: Solve for x
    x = 195,630,490.46/13,614.82
  6. Step 6: Final answer
    x = 14,368.94

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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.