Home / 19,011.63-28,518.97-5,683.65

Finding the Fourth Proportional to 19,011.63, 28,518.97 and 5,683.65

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Solution

The fourth proportional to 19,011.63, 28,518.97 and 5,683.65 is: 8,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.63 : 28,518.97 = 5,683.65 : x
  2. Step 2: Convert to fraction form
    19,011.63/28,518.97 = 5,683.65/x
  3. Step 3: Cross multiply
    19,011.63x = 28,518.97 × 5,683.65
  4. Step 4: Simplify right side
    19,011.63x = 162,091,843.84
  5. Step 5: Solve for x
    x = 162,091,843.84/19,011.63
  6. Step 6: Final answer
    x = 8,525.93

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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.