Home / 16,780.32-25,166.16-8,013.60

Finding the Fourth Proportional to 16,780.32, 25,166.16 and 8,013.60

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Solution

The fourth proportional to 16,780.32, 25,166.16 and 8,013.60 is: 12,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.32 : 25,166.16 = 8,013.60 : x
  2. Step 2: Convert to fraction form
    16,780.32/25,166.16 = 8,013.60/x
  3. Step 3: Cross multiply
    16,780.32x = 25,166.16 × 8,013.60
  4. Step 4: Simplify right side
    16,780.32x = 201,671,539.78
  5. Step 5: Solve for x
    x = 201,671,539.78/16,780.32
  6. Step 6: Final answer
    x = 12,018.34

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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.