Home / 13,112.69-19,670.45-4,348.49

Finding the Fourth Proportional to 13,112.69, 19,670.45 and 4,348.49

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Solution

The fourth proportional to 13,112.69, 19,670.45 and 4,348.49 is: 6,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.69 : 19,670.45 = 4,348.49 : x
  2. Step 2: Convert to fraction form
    13,112.69/19,670.45 = 4,348.49/x
  3. Step 3: Cross multiply
    13,112.69x = 19,670.45 × 4,348.49
  4. Step 4: Simplify right side
    13,112.69x = 85,536,635.03
  5. Step 5: Solve for x
    x = 85,536,635.03/13,112.69
  6. Step 6: Final answer
    x = 6,523.20

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1.5x scale

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.