Home / 14,790.18-20,409.66-8,659.75

Finding the Fourth Proportional to 14,790.18, 20,409.66 and 8,659.75

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Solution

The fourth proportional to 14,790.18, 20,409.66 and 8,659.75 is: 11,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.18 : 20,409.66 = 8,659.75 : x
  2. Step 2: Convert to fraction form
    14,790.18/20,409.66 = 8,659.75/x
  3. Step 3: Cross multiply
    14,790.18x = 20,409.66 × 8,659.75
  4. Step 4: Simplify right side
    14,790.18x = 176,742,553.19
  5. Step 5: Solve for x
    x = 176,742,553.19/14,790.18
  6. Step 6: Final answer
    x = 11,949.99

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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.