Home / 16,977.64-25,443.18-12,814.12

Finding the Fourth Proportional to 16,977.64, 25,443.18 and 12,814.12

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Solution

The fourth proportional to 16,977.64, 25,443.18 and 12,814.12 is: 19,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.64 : 25,443.18 = 12,814.12 : x
  2. Step 2: Convert to fraction form
    16,977.64/25,443.18 = 12,814.12/x
  3. Step 3: Cross multiply
    16,977.64x = 25,443.18 × 12,814.12
  4. Step 4: Simplify right side
    16,977.64x = 326,031,961.70
  5. Step 5: Solve for x
    x = 326,031,961.70/16,977.64
  6. Step 6: Final answer
    x = 19,203.61

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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.