Home / 13,168.50-19,752.75-3,934.50

Finding the Fourth Proportional to 13,168.50, 19,752.75 and 3,934.50

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Solution

The fourth proportional to 13,168.50, 19,752.75 and 3,934.50 is: 5,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.50 : 19,752.75 = 3,934.50 : x
  2. Step 2: Convert to fraction form
    13,168.50/19,752.75 = 3,934.50/x
  3. Step 3: Cross multiply
    13,168.50x = 19,752.75 × 3,934.50
  4. Step 4: Simplify right side
    13,168.50x = 77,717,194.88
  5. Step 5: Solve for x
    x = 77,717,194.88/13,168.50
  6. Step 6: Final answer
    x = 5,901.75

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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.