Home / 15,986.58-23,979.78-4,298.82

Finding the Fourth Proportional to 15,986.58, 23,979.78 and 4,298.82

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Solution

The fourth proportional to 15,986.58, 23,979.78 and 4,298.82 is: 6,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.58 : 23,979.78 = 4,298.82 : x
  2. Step 2: Convert to fraction form
    15,986.58/23,979.78 = 4,298.82/x
  3. Step 3: Cross multiply
    15,986.58x = 23,979.78 × 4,298.82
  4. Step 4: Simplify right side
    15,986.58x = 103,084,757.86
  5. Step 5: Solve for x
    x = 103,084,757.86/15,986.58
  6. Step 6: Final answer
    x = 6,448.21

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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.