Home / 14,682.88-20,279.19-9,669.50

Finding the Fourth Proportional to 14,682.88, 20,279.19 and 9,669.50

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Solution

The fourth proportional to 14,682.88, 20,279.19 and 9,669.50 is: 13,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.88 : 20,279.19 = 9,669.50 : x
  2. Step 2: Convert to fraction form
    14,682.88/20,279.19 = 9,669.50/x
  3. Step 3: Cross multiply
    14,682.88x = 20,279.19 × 9,669.50
  4. Step 4: Simplify right side
    14,682.88x = 196,089,667.49
  5. Step 5: Solve for x
    x = 196,089,667.49/14,682.88
  6. Step 6: Final answer
    x = 13,354.99

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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.