Home / 16,899.60-25,333.20-13,149.30

Finding the Fourth Proportional to 16,899.60, 25,333.20 and 13,149.30

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Solution

The fourth proportional to 16,899.60, 25,333.20 and 13,149.30 is: 19,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.60 : 25,333.20 = 13,149.30 : x
  2. Step 2: Convert to fraction form
    16,899.60/25,333.20 = 13,149.30/x
  3. Step 3: Cross multiply
    16,899.60x = 25,333.20 × 13,149.30
  4. Step 4: Simplify right side
    16,899.60x = 333,113,846.76
  5. Step 5: Solve for x
    x = 333,113,846.76/16,899.60
  6. Step 6: Final answer
    x = 19,711.35

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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.