Home / 14,663.94-20,161.31-13,055.28

Finding the Fourth Proportional to 14,663.94, 20,161.31 and 13,055.28

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Solution

The fourth proportional to 14,663.94, 20,161.31 and 13,055.28 is: 17,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.94 : 20,161.31 = 13,055.28 : x
  2. Step 2: Convert to fraction form
    14,663.94/20,161.31 = 13,055.28/x
  3. Step 3: Cross multiply
    14,663.94x = 20,161.31 × 13,055.28
  4. Step 4: Simplify right side
    14,663.94x = 263,211,406.34
  5. Step 5: Solve for x
    x = 263,211,406.34/14,663.94
  6. Step 6: Final answer
    x = 17,949.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.