Home / 19,703.85-27,161.15-14,021.61

Finding the Fourth Proportional to 19,703.85, 27,161.15 and 14,021.61

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Solution

The fourth proportional to 19,703.85, 27,161.15 and 14,021.61 is: 19,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.85 : 27,161.15 = 14,021.61 : x
  2. Step 2: Convert to fraction form
    19,703.85/27,161.15 = 14,021.61/x
  3. Step 3: Cross multiply
    19,703.85x = 27,161.15 × 14,021.61
  4. Step 4: Simplify right side
    19,703.85x = 380,842,982.34
  5. Step 5: Solve for x
    x = 380,842,982.34/19,703.85
  6. Step 6: Final answer
    x = 19,328.35

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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.