Home / 11,199.69-16,857.88-9,508.41

Finding the Fourth Proportional to 11,199.69, 16,857.88 and 9,508.41

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Solution

The fourth proportional to 11,199.69, 16,857.88 and 9,508.41 is: 14,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.69 : 16,857.88 = 9,508.41 : x
  2. Step 2: Convert to fraction form
    11,199.69/16,857.88 = 9,508.41/x
  3. Step 3: Cross multiply
    11,199.69x = 16,857.88 × 9,508.41
  4. Step 4: Simplify right side
    11,199.69x = 160,291,611.00
  5. Step 5: Solve for x
    x = 160,291,611.00/11,199.69
  6. Step 6: Final answer
    x = 14,312.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.