Home / 13,718.44-18,929.93-7,748.84

Finding the Fourth Proportional to 13,718.44, 18,929.93 and 7,748.84

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Solution

The fourth proportional to 13,718.44, 18,929.93 and 7,748.84 is: 10,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.44 : 18,929.93 = 7,748.84 : x
  2. Step 2: Convert to fraction form
    13,718.44/18,929.93 = 7,748.84/x
  3. Step 3: Cross multiply
    13,718.44x = 18,929.93 × 7,748.84
  4. Step 4: Simplify right side
    13,718.44x = 146,685,007.36
  5. Step 5: Solve for x
    x = 146,685,007.36/13,718.44
  6. Step 6: Final answer
    x = 10,692.54

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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.