Home / 14,928.19-20,609.75-13,267.43

Finding the Fourth Proportional to 14,928.19, 20,609.75 and 13,267.43

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Solution

The fourth proportional to 14,928.19, 20,609.75 and 13,267.43 is: 18,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.19 : 20,609.75 = 13,267.43 : x
  2. Step 2: Convert to fraction form
    14,928.19/20,609.75 = 13,267.43/x
  3. Step 3: Cross multiply
    14,928.19x = 20,609.75 × 13,267.43
  4. Step 4: Simplify right side
    14,928.19x = 273,438,415.44
  5. Step 5: Solve for x
    x = 273,438,415.44/14,928.19
  6. Step 6: Final answer
    x = 18,316.92

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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.