Home / 14,900.28-20,561.92-8,185.83

Finding the Fourth Proportional to 14,900.28, 20,561.92 and 8,185.83

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Solution

The fourth proportional to 14,900.28, 20,561.92 and 8,185.83 is: 11,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.28 : 20,561.92 = 8,185.83 : x
  2. Step 2: Convert to fraction form
    14,900.28/20,561.92 = 8,185.83/x
  3. Step 3: Cross multiply
    14,900.28x = 20,561.92 × 8,185.83
  4. Step 4: Simplify right side
    14,900.28x = 168,316,381.59
  5. Step 5: Solve for x
    x = 168,316,381.59/14,900.28
  6. Step 6: Final answer
    x = 11,296.19

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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.