Home / 13,568.46-18,728.19-8,263.23

Finding the Fourth Proportional to 13,568.46, 18,728.19 and 8,263.23

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Solution

The fourth proportional to 13,568.46, 18,728.19 and 8,263.23 is: 11,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.46 : 18,728.19 = 8,263.23 : x
  2. Step 2: Convert to fraction form
    13,568.46/18,728.19 = 8,263.23/x
  3. Step 3: Cross multiply
    13,568.46x = 18,728.19 × 8,263.23
  4. Step 4: Simplify right side
    13,568.46x = 154,755,341.45
  5. Step 5: Solve for x
    x = 154,755,341.45/13,568.46
  6. Step 6: Final answer
    x = 11,405.52

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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.