Home / 16,378.89-24,564.69-6,515.52

Finding the Fourth Proportional to 16,378.89, 24,564.69 and 6,515.52

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Solution

The fourth proportional to 16,378.89, 24,564.69 and 6,515.52 is: 9,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.89 : 24,564.69 = 6,515.52 : x
  2. Step 2: Convert to fraction form
    16,378.89/24,564.69 = 6,515.52/x
  3. Step 3: Cross multiply
    16,378.89x = 24,564.69 × 6,515.52
  4. Step 4: Simplify right side
    16,378.89x = 160,051,728.99
  5. Step 5: Solve for x
    x = 160,051,728.99/16,378.89
  6. Step 6: Final answer
    x = 9,771.83

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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.