Home / 8,979.04-13,446.60-7,409.44

Finding the Fourth Proportional to 8,979.04, 13,446.60 and 7,409.44

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Solution

The fourth proportional to 8,979.04, 13,446.60 and 7,409.44 is: 11,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.04 : 13,446.60 = 7,409.44 : x
  2. Step 2: Convert to fraction form
    8,979.04/13,446.60 = 7,409.44/x
  3. Step 3: Cross multiply
    8,979.04x = 13,446.60 × 7,409.44
  4. Step 4: Simplify right side
    8,979.04x = 99,631,775.90
  5. Step 5: Solve for x
    x = 99,631,775.90/8,979.04
  6. Step 6: Final answer
    x = 11,096.04

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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.