Home / 11,932.15-17,898.20-6,666.25

Finding the Fourth Proportional to 11,932.15, 17,898.20 and 6,666.25

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Solution

The fourth proportional to 11,932.15, 17,898.20 and 6,666.25 is: 9,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.15 : 17,898.20 = 6,666.25 : x
  2. Step 2: Convert to fraction form
    11,932.15/17,898.20 = 6,666.25/x
  3. Step 3: Cross multiply
    11,932.15x = 17,898.20 × 6,666.25
  4. Step 4: Simplify right side
    11,932.15x = 119,313,752.93
  5. Step 5: Solve for x
    x = 119,313,752.93/11,932.15
  6. Step 6: Final answer
    x = 9,999.35

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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.