Home / 15,384.21-23,081.69-4,855.86

Finding the Fourth Proportional to 15,384.21, 23,081.69 and 4,855.86

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Solution

The fourth proportional to 15,384.21, 23,081.69 and 4,855.86 is: 7,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.21 : 23,081.69 = 4,855.86 : x
  2. Step 2: Convert to fraction form
    15,384.21/23,081.69 = 4,855.86/x
  3. Step 3: Cross multiply
    15,384.21x = 23,081.69 × 4,855.86
  4. Step 4: Simplify right side
    15,384.21x = 112,081,430.92
  5. Step 5: Solve for x
    x = 112,081,430.92/15,384.21
  6. Step 6: Final answer
    x = 7,285.48

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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.