Home / 16,729.43-25,095.51-8,405.15

Finding the Fourth Proportional to 16,729.43, 25,095.51 and 8,405.15

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Solution

The fourth proportional to 16,729.43, 25,095.51 and 8,405.15 is: 12,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.43 : 25,095.51 = 8,405.15 : x
  2. Step 2: Convert to fraction form
    16,729.43/25,095.51 = 8,405.15/x
  3. Step 3: Cross multiply
    16,729.43x = 25,095.51 × 8,405.15
  4. Step 4: Simplify right side
    16,729.43x = 210,931,525.88
  5. Step 5: Solve for x
    x = 210,931,525.88/16,729.43
  6. Step 6: Final answer
    x = 12,608.41

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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.