Home / 16,988.88-25,480.48-4,509.68

Finding the Fourth Proportional to 16,988.88, 25,480.48 and 4,509.68

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Solution

The fourth proportional to 16,988.88, 25,480.48 and 4,509.68 is: 6,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.88 : 25,480.48 = 4,509.68 : x
  2. Step 2: Convert to fraction form
    16,988.88/25,480.48 = 4,509.68/x
  3. Step 3: Cross multiply
    16,988.88x = 25,480.48 × 4,509.68
  4. Step 4: Simplify right side
    16,988.88x = 114,908,811.05
  5. Step 5: Solve for x
    x = 114,908,811.05/16,988.88
  6. Step 6: Final answer
    x = 6,763.77

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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.