Home / 11,828.99-16,325.15-8,839.63

Finding the Fourth Proportional to 11,828.99, 16,325.15 and 8,839.63

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Solution

The fourth proportional to 11,828.99, 16,325.15 and 8,839.63 is: 12,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.99 : 16,325.15 = 8,839.63 : x
  2. Step 2: Convert to fraction form
    11,828.99/16,325.15 = 8,839.63/x
  3. Step 3: Cross multiply
    11,828.99x = 16,325.15 × 8,839.63
  4. Step 4: Simplify right side
    11,828.99x = 144,308,261.90
  5. Step 5: Solve for x
    x = 144,308,261.90/11,828.99
  6. Step 6: Final answer
    x = 12,199.55

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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.