Home / 11,857.06-17,781.90-6,012.88

Finding the Fourth Proportional to 11,857.06, 17,781.90 and 6,012.88

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Solution

The fourth proportional to 11,857.06, 17,781.90 and 6,012.88 is: 9,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.06 : 17,781.90 = 6,012.88 : x
  2. Step 2: Convert to fraction form
    11,857.06/17,781.90 = 6,012.88/x
  3. Step 3: Cross multiply
    11,857.06x = 17,781.90 × 6,012.88
  4. Step 4: Simplify right side
    11,857.06x = 106,920,430.87
  5. Step 5: Solve for x
    x = 106,920,430.87/11,857.06
  6. Step 6: Final answer
    x = 9,017.45

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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.