Home / 19,115.70-28,674.90-8,011.26

Finding the Fourth Proportional to 19,115.70, 28,674.90 and 8,011.26

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Solution

The fourth proportional to 19,115.70, 28,674.90 and 8,011.26 is: 12,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.70 : 28,674.90 = 8,011.26 : x
  2. Step 2: Convert to fraction form
    19,115.70/28,674.90 = 8,011.26/x
  3. Step 3: Cross multiply
    19,115.70x = 28,674.90 × 8,011.26
  4. Step 4: Simplify right side
    19,115.70x = 229,722,079.37
  5. Step 5: Solve for x
    x = 229,722,079.37/19,115.70
  6. Step 6: Final answer
    x = 12,017.46

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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.