Home / 17,626.80-24,303.60-12,902.88

Finding the Fourth Proportional to 17,626.80, 24,303.60 and 12,902.88

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Solution

The fourth proportional to 17,626.80, 24,303.60 and 12,902.88 is: 17,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.80 : 24,303.60 = 12,902.88 : x
  2. Step 2: Convert to fraction form
    17,626.80/24,303.60 = 12,902.88/x
  3. Step 3: Cross multiply
    17,626.80x = 24,303.60 × 12,902.88
  4. Step 4: Simplify right side
    17,626.80x = 313,586,434.37
  5. Step 5: Solve for x
    x = 313,586,434.37/17,626.80
  6. Step 6: Final answer
    x = 17,790.32

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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.