Home / 13,522.34-18,756.30-13,162.70

Finding the Fourth Proportional to 13,522.34, 18,756.30 and 13,162.70

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Solution

The fourth proportional to 13,522.34, 18,756.30 and 13,162.70 is: 18,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.34 : 18,756.30 = 13,162.70 : x
  2. Step 2: Convert to fraction form
    13,522.34/18,756.30 = 13,162.70/x
  3. Step 3: Cross multiply
    13,522.34x = 18,756.30 × 13,162.70
  4. Step 4: Simplify right side
    13,522.34x = 246,883,550.01
  5. Step 5: Solve for x
    x = 246,883,550.01/13,522.34
  6. Step 6: Final answer
    x = 18,257.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.