Home / 9,467.54-14,179.44-9,139.50

Finding the Fourth Proportional to 9,467.54, 14,179.44 and 9,139.50

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Solution

The fourth proportional to 9,467.54, 14,179.44 and 9,139.50 is: 13,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,467.54 : 14,179.44 = 9,139.50 : x
  2. Step 2: Convert to fraction form
    9,467.54/14,179.44 = 9,139.50/x
  3. Step 3: Cross multiply
    9,467.54x = 14,179.44 × 9,139.50
  4. Step 4: Simplify right side
    9,467.54x = 129,592,991.88
  5. Step 5: Solve for x
    x = 129,592,991.88/9,467.54
  6. Step 6: Final answer
    x = 13,688.14

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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.