Home / 18,890.01-28,333.53-5,742.36

Finding the Fourth Proportional to 18,890.01, 28,333.53 and 5,742.36

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Solution

The fourth proportional to 18,890.01, 28,333.53 and 5,742.36 is: 8,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.01 : 28,333.53 = 5,742.36 : x
  2. Step 2: Convert to fraction form
    18,890.01/28,333.53 = 5,742.36/x
  3. Step 3: Cross multiply
    18,890.01x = 28,333.53 × 5,742.36
  4. Step 4: Simplify right side
    18,890.01x = 162,701,329.33
  5. Step 5: Solve for x
    x = 162,701,329.33/18,890.01
  6. Step 6: Final answer
    x = 8,613.09

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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.