Home / 11,405.59-15,740.24-6,301.82

Finding the Fourth Proportional to 11,405.59, 15,740.24 and 6,301.82

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Solution

The fourth proportional to 11,405.59, 15,740.24 and 6,301.82 is: 8,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.59 : 15,740.24 = 6,301.82 : x
  2. Step 2: Convert to fraction form
    11,405.59/15,740.24 = 6,301.82/x
  3. Step 3: Cross multiply
    11,405.59x = 15,740.24 × 6,301.82
  4. Step 4: Simplify right side
    11,405.59x = 99,192,167.08
  5. Step 5: Solve for x
    x = 99,192,167.08/11,405.59
  6. Step 6: Final answer
    x = 8,696.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.