Home / 18,743.16-28,158.48-10,957.44

Finding the Fourth Proportional to 18,743.16, 28,158.48 and 10,957.44

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Solution

The fourth proportional to 18,743.16, 28,158.48 and 10,957.44 is: 16,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.16 : 28,158.48 = 10,957.44 : x
  2. Step 2: Convert to fraction form
    18,743.16/28,158.48 = 10,957.44/x
  3. Step 3: Cross multiply
    18,743.16x = 28,158.48 × 10,957.44
  4. Step 4: Simplify right side
    18,743.16x = 308,544,855.09
  5. Step 5: Solve for x
    x = 308,544,855.09/18,743.16
  6. Step 6: Final answer
    x = 16,461.73

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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.