Home / 14,827.34-20,461.14-8,112.80

Finding the Fourth Proportional to 14,827.34, 20,461.14 and 8,112.80

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Solution

The fourth proportional to 14,827.34, 20,461.14 and 8,112.80 is: 11,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.34 : 20,461.14 = 8,112.80 : x
  2. Step 2: Convert to fraction form
    14,827.34/20,461.14 = 8,112.80/x
  3. Step 3: Cross multiply
    14,827.34x = 20,461.14 × 8,112.80
  4. Step 4: Simplify right side
    14,827.34x = 165,997,136.59
  5. Step 5: Solve for x
    x = 165,997,136.59/14,827.34
  6. Step 6: Final answer
    x = 11,195.34

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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.