Home / 16,686.80-23,028.44-9,132.70

Finding the Fourth Proportional to 16,686.80, 23,028.44 and 9,132.70

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Solution

The fourth proportional to 16,686.80, 23,028.44 and 9,132.70 is: 12,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.80 : 23,028.44 = 9,132.70 : x
  2. Step 2: Convert to fraction form
    16,686.80/23,028.44 = 9,132.70/x
  3. Step 3: Cross multiply
    16,686.80x = 23,028.44 × 9,132.70
  4. Step 4: Simplify right side
    16,686.80x = 210,311,833.99
  5. Step 5: Solve for x
    x = 210,311,833.99/16,686.80
  6. Step 6: Final answer
    x = 12,603.49

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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.