Home / 18,926.52-28,394.28-8,538.24

Finding the Fourth Proportional to 18,926.52, 28,394.28 and 8,538.24

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Solution

The fourth proportional to 18,926.52, 28,394.28 and 8,538.24 is: 12,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.52 : 28,394.28 = 8,538.24 : x
  2. Step 2: Convert to fraction form
    18,926.52/28,394.28 = 8,538.24/x
  3. Step 3: Cross multiply
    18,926.52x = 28,394.28 × 8,538.24
  4. Step 4: Simplify right side
    18,926.52x = 242,437,177.27
  5. Step 5: Solve for x
    x = 242,437,177.27/18,926.52
  6. Step 6: Final answer
    x = 12,809.39

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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.