Home / 15,821.11-23,730.86-4,727.89

Finding the Fourth Proportional to 15,821.11, 23,730.86 and 4,727.89

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Solution

The fourth proportional to 15,821.11, 23,730.86 and 4,727.89 is: 7,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.11 : 23,730.86 = 4,727.89 : x
  2. Step 2: Convert to fraction form
    15,821.11/23,730.86 = 4,727.89/x
  3. Step 3: Cross multiply
    15,821.11x = 23,730.86 × 4,727.89
  4. Step 4: Simplify right side
    15,821.11x = 112,196,872.05
  5. Step 5: Solve for x
    x = 112,196,872.05/15,821.11
  6. Step 6: Final answer
    x = 7,091.59

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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.