Home / 18,658.12-27,957.85-13,030.24

Finding the Fourth Proportional to 18,658.12, 27,957.85 and 13,030.24

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Solution

The fourth proportional to 18,658.12, 27,957.85 and 13,030.24 is: 19,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.12 : 27,957.85 = 13,030.24 : x
  2. Step 2: Convert to fraction form
    18,658.12/27,957.85 = 13,030.24/x
  3. Step 3: Cross multiply
    18,658.12x = 27,957.85 × 13,030.24
  4. Step 4: Simplify right side
    18,658.12x = 364,297,495.38
  5. Step 5: Solve for x
    x = 364,297,495.38/18,658.12
  6. Step 6: Final answer
    x = 19,524.88

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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.