Home / 14,667.80-20,236.26-9,634.74

Finding the Fourth Proportional to 14,667.80, 20,236.26 and 9,634.74

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Solution

The fourth proportional to 14,667.80, 20,236.26 and 9,634.74 is: 13,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.80 : 20,236.26 = 9,634.74 : x
  2. Step 2: Convert to fraction form
    14,667.80/20,236.26 = 9,634.74/x
  3. Step 3: Cross multiply
    14,667.80x = 20,236.26 × 9,634.74
  4. Step 4: Simplify right side
    14,667.80x = 194,971,103.67
  5. Step 5: Solve for x
    x = 194,971,103.67/14,667.80
  6. Step 6: Final answer
    x = 13,292.46

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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.