Home / 14,548.80-20,079.96-8,580.12

Finding the Fourth Proportional to 14,548.80, 20,079.96 and 8,580.12

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Solution

The fourth proportional to 14,548.80, 20,079.96 and 8,580.12 is: 11,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.80 : 20,079.96 = 8,580.12 : x
  2. Step 2: Convert to fraction form
    14,548.80/20,079.96 = 8,580.12/x
  3. Step 3: Cross multiply
    14,548.80x = 20,079.96 × 8,580.12
  4. Step 4: Simplify right side
    14,548.80x = 172,288,466.40
  5. Step 5: Solve for x
    x = 172,288,466.40/14,548.80
  6. Step 6: Final answer
    x = 11,842.11

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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.