Home / 14,638.32-20,199.60-8,668.98

Finding the Fourth Proportional to 14,638.32, 20,199.60 and 8,668.98

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Solution

The fourth proportional to 14,638.32, 20,199.60 and 8,668.98 is: 11,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.32 : 20,199.60 = 8,668.98 : x
  2. Step 2: Convert to fraction form
    14,638.32/20,199.60 = 8,668.98/x
  3. Step 3: Cross multiply
    14,638.32x = 20,199.60 × 8,668.98
  4. Step 4: Simplify right side
    14,638.32x = 175,109,928.41
  5. Step 5: Solve for x
    x = 175,109,928.41/14,638.32
  6. Step 6: Final answer
    x = 11,962.43

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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.