Home / 12,926.72-17,829.12-8,733.44

Finding the Fourth Proportional to 12,926.72, 17,829.12 and 8,733.44

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Solution

The fourth proportional to 12,926.72, 17,829.12 and 8,733.44 is: 12,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.72 : 17,829.12 = 8,733.44 : x
  2. Step 2: Convert to fraction form
    12,926.72/17,829.12 = 8,733.44/x
  3. Step 3: Cross multiply
    12,926.72x = 17,829.12 × 8,733.44
  4. Step 4: Simplify right side
    12,926.72x = 155,709,549.77
  5. Step 5: Solve for x
    x = 155,709,549.77/12,926.72
  6. Step 6: Final answer
    x = 12,045.56

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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.