Home / 15,866.64-23,799-4,179.84

Finding the Fourth Proportional to 15,866.64, 23,799 and 4,179.84

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Solution

The fourth proportional to 15,866.64, 23,799 and 4,179.84 is: 6,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.64 : 23,799 = 4,179.84 : x
  2. Step 2: Convert to fraction form
    15,866.64/23,799 = 4,179.84/x
  3. Step 3: Cross multiply
    15,866.64x = 23,799 × 4,179.84
  4. Step 4: Simplify right side
    15,866.64x = 99,476,012.16
  5. Step 5: Solve for x
    x = 99,476,012.16/15,866.64
  6. Step 6: Final answer
    x = 6,269.51

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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.