Home / 11,970.62-16,528.36-7,261.28

Finding the Fourth Proportional to 11,970.62, 16,528.36 and 7,261.28

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Solution

The fourth proportional to 11,970.62, 16,528.36 and 7,261.28 is: 10,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.62 : 16,528.36 = 7,261.28 : x
  2. Step 2: Convert to fraction form
    11,970.62/16,528.36 = 7,261.28/x
  3. Step 3: Cross multiply
    11,970.62x = 16,528.36 × 7,261.28
  4. Step 4: Simplify right side
    11,970.62x = 120,016,949.11
  5. Step 5: Solve for x
    x = 120,016,949.11/11,970.62
  6. Step 6: Final answer
    x = 10,025.96

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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.