Home / 12,733.76-19,100.64-4,520

Finding the Fourth Proportional to 12,733.76, 19,100.64 and 4,520

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Solution

The fourth proportional to 12,733.76, 19,100.64 and 4,520 is: 6,780

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.76 : 19,100.64 = 4,520 : x
  2. Step 2: Convert to fraction form
    12,733.76/19,100.64 = 4,520/x
  3. Step 3: Cross multiply
    12,733.76x = 19,100.64 × 4,520
  4. Step 4: Simplify right side
    12,733.76x = 86,334,892.80
  5. Step 5: Solve for x
    x = 86,334,892.80/12,733.76
  6. Step 6: Final answer
    x = 6,780

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.