Home / 12,136.03-16,747.65-6,830.89

Finding the Fourth Proportional to 12,136.03, 16,747.65 and 6,830.89

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Solution

The fourth proportional to 12,136.03, 16,747.65 and 6,830.89 is: 9,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.03 : 16,747.65 = 6,830.89 : x
  2. Step 2: Convert to fraction form
    12,136.03/16,747.65 = 6,830.89/x
  3. Step 3: Cross multiply
    12,136.03x = 16,747.65 × 6,830.89
  4. Step 4: Simplify right side
    12,136.03x = 114,401,354.91
  5. Step 5: Solve for x
    x = 114,401,354.91/12,136.03
  6. Step 6: Final answer
    x = 9,426.59

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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.