Home / 14,976.18-20,666.38-9,006.69

Finding the Fourth Proportional to 14,976.18, 20,666.38 and 9,006.69

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Solution

The fourth proportional to 14,976.18, 20,666.38 and 9,006.69 is: 12,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.18 : 20,666.38 = 9,006.69 : x
  2. Step 2: Convert to fraction form
    14,976.18/20,666.38 = 9,006.69/x
  3. Step 3: Cross multiply
    14,976.18x = 20,666.38 × 9,006.69
  4. Step 4: Simplify right side
    14,976.18x = 186,135,678.08
  5. Step 5: Solve for x
    x = 186,135,678.08/14,976.18
  6. Step 6: Final answer
    x = 12,428.78

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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.