Home / 15,868.96-23,817.71-8,479.73

Finding the Fourth Proportional to 15,868.96, 23,817.71 and 8,479.73

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Solution

The fourth proportional to 15,868.96, 23,817.71 and 8,479.73 is: 12,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.96 : 23,817.71 = 8,479.73 : x
  2. Step 2: Convert to fraction form
    15,868.96/23,817.71 = 8,479.73/x
  3. Step 3: Cross multiply
    15,868.96x = 23,817.71 × 8,479.73
  4. Step 4: Simplify right side
    15,868.96x = 201,967,830.76
  5. Step 5: Solve for x
    x = 201,967,830.76/15,868.96
  6. Step 6: Final answer
    x = 12,727.23

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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.