Home / 15,865.77-23,805.19-6,976.53

Finding the Fourth Proportional to 15,865.77, 23,805.19 and 6,976.53

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Solution

The fourth proportional to 15,865.77, 23,805.19 and 6,976.53 is: 10,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.77 : 23,805.19 = 6,976.53 : x
  2. Step 2: Convert to fraction form
    15,865.77/23,805.19 = 6,976.53/x
  3. Step 3: Cross multiply
    15,865.77x = 23,805.19 × 6,976.53
  4. Step 4: Simplify right side
    15,865.77x = 166,077,630.91
  5. Step 5: Solve for x
    x = 166,077,630.91/15,865.77
  6. Step 6: Final answer
    x = 10,467.67

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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.