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Finding the Fourth Proportional to 11,185.01, 15,434.92 and 6,706.11

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Solution

The fourth proportional to 11,185.01, 15,434.92 and 6,706.11 is: 9,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.01 : 15,434.92 = 6,706.11 : x
  2. Step 2: Convert to fraction form
    11,185.01/15,434.92 = 6,706.11/x
  3. Step 3: Cross multiply
    11,185.01x = 15,434.92 × 6,706.11
  4. Step 4: Simplify right side
    11,185.01x = 103,508,271.36
  5. Step 5: Solve for x
    x = 103,508,271.36/11,185.01
  6. Step 6: Final answer
    x = 9,254.20

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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.