Home / 19,355.08-29,033.94-7,668.28

Finding the Fourth Proportional to 19,355.08, 29,033.94 and 7,668.28

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Solution

The fourth proportional to 19,355.08, 29,033.94 and 7,668.28 is: 11,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.08 : 29,033.94 = 7,668.28 : x
  2. Step 2: Convert to fraction form
    19,355.08/29,033.94 = 7,668.28/x
  3. Step 3: Cross multiply
    19,355.08x = 29,033.94 × 7,668.28
  4. Step 4: Simplify right side
    19,355.08x = 222,640,381.42
  5. Step 5: Solve for x
    x = 222,640,381.42/19,355.08
  6. Step 6: Final answer
    x = 11,502.94

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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.