Home / 11,975.72-17,965.02-6,130.76

Finding the Fourth Proportional to 11,975.72, 17,965.02 and 6,130.76

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Solution

The fourth proportional to 11,975.72, 17,965.02 and 6,130.76 is: 9,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.72 : 17,965.02 = 6,130.76 : x
  2. Step 2: Convert to fraction form
    11,975.72/17,965.02 = 6,130.76/x
  3. Step 3: Cross multiply
    11,975.72x = 17,965.02 × 6,130.76
  4. Step 4: Simplify right side
    11,975.72x = 110,139,226.02
  5. Step 5: Solve for x
    x = 110,139,226.02/11,975.72
  6. Step 6: Final answer
    x = 9,196.88

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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.