Home / 15,739.96-23,593.74-6,979

Finding the Fourth Proportional to 15,739.96, 23,593.74 and 6,979

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Solution

The fourth proportional to 15,739.96, 23,593.74 and 6,979 is: 10,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.96 : 23,593.74 = 6,979 : x
  2. Step 2: Convert to fraction form
    15,739.96/23,593.74 = 6,979/x
  3. Step 3: Cross multiply
    15,739.96x = 23,593.74 × 6,979
  4. Step 4: Simplify right side
    15,739.96x = 164,660,711.46
  5. Step 5: Solve for x
    x = 164,660,711.46/15,739.96
  6. Step 6: Final answer
    x = 10,461.32

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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.