Home / 18,962.40-28,409.44-11,166.96

Finding the Fourth Proportional to 18,962.40, 28,409.44 and 11,166.96

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Solution

The fourth proportional to 18,962.40, 28,409.44 and 11,166.96 is: 16,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.40 : 28,409.44 = 11,166.96 : x
  2. Step 2: Convert to fraction form
    18,962.40/28,409.44 = 11,166.96/x
  3. Step 3: Cross multiply
    18,962.40x = 28,409.44 × 11,166.96
  4. Step 4: Simplify right side
    18,962.40x = 317,247,080.10
  5. Step 5: Solve for x
    x = 317,247,080.10/18,962.40
  6. Step 6: Final answer
    x = 16,730.32

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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.