Home / 15,912.21-23,875.07-8,514.75

Finding the Fourth Proportional to 15,912.21, 23,875.07 and 8,514.75

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Solution

The fourth proportional to 15,912.21, 23,875.07 and 8,514.75 is: 12,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.21 : 23,875.07 = 8,514.75 : x
  2. Step 2: Convert to fraction form
    15,912.21/23,875.07 = 8,514.75/x
  3. Step 3: Cross multiply
    15,912.21x = 23,875.07 × 8,514.75
  4. Step 4: Simplify right side
    15,912.21x = 203,290,209.71
  5. Step 5: Solve for x
    x = 203,290,209.71/15,912.21
  6. Step 6: Final answer
    x = 12,775.74

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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.