Home / 19,129.76-26,391.66-14,105.90

Finding the Fourth Proportional to 19,129.76, 26,391.66 and 14,105.90

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Solution

The fourth proportional to 19,129.76, 26,391.66 and 14,105.90 is: 19,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.76 : 26,391.66 = 14,105.90 : x
  2. Step 2: Convert to fraction form
    19,129.76/26,391.66 = 14,105.90/x
  3. Step 3: Cross multiply
    19,129.76x = 26,391.66 × 14,105.90
  4. Step 4: Simplify right side
    19,129.76x = 372,278,116.79
  5. Step 5: Solve for x
    x = 372,278,116.79/19,129.76
  6. Step 6: Final answer
    x = 19,460.68

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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.