Home / 19,673.85-27,149.53-10,721.41

Finding the Fourth Proportional to 19,673.85, 27,149.53 and 10,721.41

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Solution

The fourth proportional to 19,673.85, 27,149.53 and 10,721.41 is: 14,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.85 : 27,149.53 = 10,721.41 : x
  2. Step 2: Convert to fraction form
    19,673.85/27,149.53 = 10,721.41/x
  3. Step 3: Cross multiply
    19,673.85x = 27,149.53 × 10,721.41
  4. Step 4: Simplify right side
    19,673.85x = 291,081,242.44
  5. Step 5: Solve for x
    x = 291,081,242.44/19,673.85
  6. Step 6: Final answer
    x = 14,795.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.