Home / 14,286.83-19,712.57-9,185.02

Finding the Fourth Proportional to 14,286.83, 19,712.57 and 9,185.02

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Solution

The fourth proportional to 14,286.83, 19,712.57 and 9,185.02 is: 12,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.83 : 19,712.57 = 9,185.02 : x
  2. Step 2: Convert to fraction form
    14,286.83/19,712.57 = 9,185.02/x
  3. Step 3: Cross multiply
    14,286.83x = 19,712.57 × 9,185.02
  4. Step 4: Simplify right side
    14,286.83x = 181,060,205.21
  5. Step 5: Solve for x
    x = 181,060,205.21/14,286.83
  6. Step 6: Final answer
    x = 12,673.22

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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.