Home / 16,129.40-22,277.43-14,710.61

Finding the Fourth Proportional to 16,129.40, 22,277.43 and 14,710.61

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Solution

The fourth proportional to 16,129.40, 22,277.43 and 14,710.61 is: 20,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.40 : 22,277.43 = 14,710.61 : x
  2. Step 2: Convert to fraction form
    16,129.40/22,277.43 = 14,710.61/x
  3. Step 3: Cross multiply
    16,129.40x = 22,277.43 × 14,710.61
  4. Step 4: Simplify right side
    16,129.40x = 327,714,640.23
  5. Step 5: Solve for x
    x = 327,714,640.23/16,129.40
  6. Step 6: Final answer
    x = 20,317.85

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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.