Home / 19,297.72-28,940.59-6,814.87

Finding the Fourth Proportional to 19,297.72, 28,940.59 and 6,814.87

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Solution

The fourth proportional to 19,297.72, 28,940.59 and 6,814.87 is: 10,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.72 : 28,940.59 = 6,814.87 : x
  2. Step 2: Convert to fraction form
    19,297.72/28,940.59 = 6,814.87/x
  3. Step 3: Cross multiply
    19,297.72x = 28,940.59 × 6,814.87
  4. Step 4: Simplify right side
    19,297.72x = 197,226,358.57
  5. Step 5: Solve for x
    x = 197,226,358.57/19,297.72
  6. Step 6: Final answer
    x = 10,220.19

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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.