Home / 13,244.45-18,277.40-7,939.27

Finding the Fourth Proportional to 13,244.45, 18,277.40 and 7,939.27

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Solution

The fourth proportional to 13,244.45, 18,277.40 and 7,939.27 is: 10,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.45 : 18,277.40 = 7,939.27 : x
  2. Step 2: Convert to fraction form
    13,244.45/18,277.40 = 7,939.27/x
  3. Step 3: Cross multiply
    13,244.45x = 18,277.40 × 7,939.27
  4. Step 4: Simplify right side
    13,244.45x = 145,109,108.72
  5. Step 5: Solve for x
    x = 145,109,108.72/13,244.45
  6. Step 6: Final answer
    x = 10,956.22

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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.