Home / 14,630.08-20,186.92-8,342.40

Finding the Fourth Proportional to 14,630.08, 20,186.92 and 8,342.40

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Solution

The fourth proportional to 14,630.08, 20,186.92 and 8,342.40 is: 11,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.08 : 20,186.92 = 8,342.40 : x
  2. Step 2: Convert to fraction form
    14,630.08/20,186.92 = 8,342.40/x
  3. Step 3: Cross multiply
    14,630.08x = 20,186.92 × 8,342.40
  4. Step 4: Simplify right side
    14,630.08x = 168,407,361.41
  5. Step 5: Solve for x
    x = 168,407,361.41/14,630.08
  6. Step 6: Final answer
    x = 11,511.03

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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.