Home / 17,811.78-24,579.90-9,853.80

Finding the Fourth Proportional to 17,811.78, 24,579.90 and 9,853.80

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Solution

The fourth proportional to 17,811.78, 24,579.90 and 9,853.80 is: 13,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.78 : 24,579.90 = 9,853.80 : x
  2. Step 2: Convert to fraction form
    17,811.78/24,579.90 = 9,853.80/x
  3. Step 3: Cross multiply
    17,811.78x = 24,579.90 × 9,853.80
  4. Step 4: Simplify right side
    17,811.78x = 242,205,418.62
  5. Step 5: Solve for x
    x = 242,205,418.62/17,811.78
  6. Step 6: Final answer
    x = 13,598.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.