Home / 15,739.60-23,603.96-6,980.64

Finding the Fourth Proportional to 15,739.60, 23,603.96 and 6,980.64

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Solution

The fourth proportional to 15,739.60, 23,603.96 and 6,980.64 is: 10,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.60 : 23,603.96 = 6,980.64 : x
  2. Step 2: Convert to fraction form
    15,739.60/23,603.96 = 6,980.64/x
  3. Step 3: Cross multiply
    15,739.60x = 23,603.96 × 6,980.64
  4. Step 4: Simplify right side
    15,739.60x = 164,770,747.33
  5. Step 5: Solve for x
    x = 164,770,747.33/15,739.60
  6. Step 6: Final answer
    x = 10,468.55

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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.