Home / 15,865.47-23,791.32-6,980.58

Finding the Fourth Proportional to 15,865.47, 23,791.32 and 6,980.58

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Solution

The fourth proportional to 15,865.47, 23,791.32 and 6,980.58 is: 10,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.47 : 23,791.32 = 6,980.58 : x
  2. Step 2: Convert to fraction form
    15,865.47/23,791.32 = 6,980.58/x
  3. Step 3: Cross multiply
    15,865.47x = 23,791.32 × 6,980.58
  4. Step 4: Simplify right side
    15,865.47x = 166,077,212.57
  5. Step 5: Solve for x
    x = 166,077,212.57/15,865.47
  6. Step 6: Final answer
    x = 10,467.84

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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.