Home / 11,613.56-17,420.26-4,687.96

Finding the Fourth Proportional to 11,613.56, 17,420.26 and 4,687.96

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Solution

The fourth proportional to 11,613.56, 17,420.26 and 4,687.96 is: 7,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.56 : 17,420.26 = 4,687.96 : x
  2. Step 2: Convert to fraction form
    11,613.56/17,420.26 = 4,687.96/x
  3. Step 3: Cross multiply
    11,613.56x = 17,420.26 × 4,687.96
  4. Step 4: Simplify right side
    11,613.56x = 81,665,482.07
  5. Step 5: Solve for x
    x = 81,665,482.07/11,613.56
  6. Step 6: Final answer
    x = 7,031.91

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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.