Home / 18,947.82-26,148.61-10,450.31

Finding the Fourth Proportional to 18,947.82, 26,148.61 and 10,450.31

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Solution

The fourth proportional to 18,947.82, 26,148.61 and 10,450.31 is: 14,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.82 : 26,148.61 = 10,450.31 : x
  2. Step 2: Convert to fraction form
    18,947.82/26,148.61 = 10,450.31/x
  3. Step 3: Cross multiply
    18,947.82x = 26,148.61 × 10,450.31
  4. Step 4: Simplify right side
    18,947.82x = 273,261,080.57
  5. Step 5: Solve for x
    x = 273,261,080.57/18,947.82
  6. Step 6: Final answer
    x = 14,421.77

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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.