Home / 11,929.12-17,890.08-5,002.08

Finding the Fourth Proportional to 11,929.12, 17,890.08 and 5,002.08

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Solution

The fourth proportional to 11,929.12, 17,890.08 and 5,002.08 is: 7,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.12 : 17,890.08 = 5,002.08 : x
  2. Step 2: Convert to fraction form
    11,929.12/17,890.08 = 5,002.08/x
  3. Step 3: Cross multiply
    11,929.12x = 17,890.08 × 5,002.08
  4. Step 4: Simplify right side
    11,929.12x = 89,487,611.37
  5. Step 5: Solve for x
    x = 89,487,611.37/11,929.12
  6. Step 6: Final answer
    x = 7,501.61

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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.