Home / 13,598.27-18,755.88-11,803.10

Finding the Fourth Proportional to 13,598.27, 18,755.88 and 11,803.10

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Solution

The fourth proportional to 13,598.27, 18,755.88 and 11,803.10 is: 16,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.27 : 18,755.88 = 11,803.10 : x
  2. Step 2: Convert to fraction form
    13,598.27/18,755.88 = 11,803.10/x
  3. Step 3: Cross multiply
    13,598.27x = 18,755.88 × 11,803.10
  4. Step 4: Simplify right side
    13,598.27x = 221,377,433.45
  5. Step 5: Solve for x
    x = 221,377,433.45/13,598.27
  6. Step 6: Final answer
    x = 16,279.83

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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.