Home / 13,944.06-20,888.31-10,203.72

Finding the Fourth Proportional to 13,944.06, 20,888.31 and 10,203.72

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Solution

The fourth proportional to 13,944.06, 20,888.31 and 10,203.72 is: 15,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.06 : 20,888.31 = 10,203.72 : x
  2. Step 2: Convert to fraction form
    13,944.06/20,888.31 = 10,203.72/x
  3. Step 3: Cross multiply
    13,944.06x = 20,888.31 × 10,203.72
  4. Step 4: Simplify right side
    13,944.06x = 213,138,466.51
  5. Step 5: Solve for x
    x = 213,138,466.51/13,944.06
  6. Step 6: Final answer
    x = 15,285.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.