Home / 14,111.97-21,126.39-10,430.61

Finding the Fourth Proportional to 14,111.97, 21,126.39 and 10,430.61

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Solution

The fourth proportional to 14,111.97, 21,126.39 and 10,430.61 is: 15,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.97 : 21,126.39 = 10,430.61 : x
  2. Step 2: Convert to fraction form
    14,111.97/21,126.39 = 10,430.61/x
  3. Step 3: Cross multiply
    14,111.97x = 21,126.39 × 10,430.61
  4. Step 4: Simplify right side
    14,111.97x = 220,361,134.80
  5. Step 5: Solve for x
    x = 220,361,134.80/14,111.97
  6. Step 6: Final answer
    x = 15,615.19

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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.