Home / 18,790.02-28,185.72-6,310.45

Finding the Fourth Proportional to 18,790.02, 28,185.72 and 6,310.45

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Solution

The fourth proportional to 18,790.02, 28,185.72 and 6,310.45 is: 9,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.02 : 28,185.72 = 6,310.45 : x
  2. Step 2: Convert to fraction form
    18,790.02/28,185.72 = 6,310.45/x
  3. Step 3: Cross multiply
    18,790.02x = 28,185.72 × 6,310.45
  4. Step 4: Simplify right side
    18,790.02x = 177,864,545.22
  5. Step 5: Solve for x
    x = 177,864,545.22/18,790.02
  6. Step 6: Final answer
    x = 9,465.91

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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.