Home / 14,499.09-20,011.58-8,535.87

Finding the Fourth Proportional to 14,499.09, 20,011.58 and 8,535.87

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Solution

The fourth proportional to 14,499.09, 20,011.58 and 8,535.87 is: 11,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.09 : 20,011.58 = 8,535.87 : x
  2. Step 2: Convert to fraction form
    14,499.09/20,011.58 = 8,535.87/x
  3. Step 3: Cross multiply
    14,499.09x = 20,011.58 × 8,535.87
  4. Step 4: Simplify right side
    14,499.09x = 170,816,245.37
  5. Step 5: Solve for x
    x = 170,816,245.37/14,499.09
  6. Step 6: Final answer
    x = 11,781.17

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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.