Home / 18,830.01-28,225.31-6,345.72

Finding the Fourth Proportional to 18,830.01, 28,225.31 and 6,345.72

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Solution

The fourth proportional to 18,830.01, 28,225.31 and 6,345.72 is: 9,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.01 : 28,225.31 = 6,345.72 : x
  2. Step 2: Convert to fraction form
    18,830.01/28,225.31 = 6,345.72/x
  3. Step 3: Cross multiply
    18,830.01x = 28,225.31 × 6,345.72
  4. Step 4: Simplify right side
    18,830.01x = 179,109,882.44
  5. Step 5: Solve for x
    x = 179,109,882.44/18,830.01
  6. Step 6: Final answer
    x = 9,511.94

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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.