Home / 13,544.01-20,320.88-8,343.81

Finding the Fourth Proportional to 13,544.01, 20,320.88 and 8,343.81

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Solution

The fourth proportional to 13,544.01, 20,320.88 and 8,343.81 is: 12,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.01 : 20,320.88 = 8,343.81 : x
  2. Step 2: Convert to fraction form
    13,544.01/20,320.88 = 8,343.81/x
  3. Step 3: Cross multiply
    13,544.01x = 20,320.88 × 8,343.81
  4. Step 4: Simplify right side
    13,544.01x = 169,553,520.03
  5. Step 5: Solve for x
    x = 169,553,520.03/13,544.01
  6. Step 6: Final answer
    x = 12,518.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.