Home / 13,889.04-19,166.72-7,601.44

Finding the Fourth Proportional to 13,889.04, 19,166.72 and 7,601.44

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Solution

The fourth proportional to 13,889.04, 19,166.72 and 7,601.44 is: 10,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.04 : 19,166.72 = 7,601.44 : x
  2. Step 2: Convert to fraction form
    13,889.04/19,166.72 = 7,601.44/x
  3. Step 3: Cross multiply
    13,889.04x = 19,166.72 × 7,601.44
  4. Step 4: Simplify right side
    13,889.04x = 145,694,672.08
  5. Step 5: Solve for x
    x = 145,694,672.08/13,889.04
  6. Step 6: Final answer
    x = 10,489.90

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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.