Home / 11,242.44-15,516.40-6,705.70

Finding the Fourth Proportional to 11,242.44, 15,516.40 and 6,705.70

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Solution

The fourth proportional to 11,242.44, 15,516.40 and 6,705.70 is: 9,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.44 : 15,516.40 = 6,705.70 : x
  2. Step 2: Convert to fraction form
    11,242.44/15,516.40 = 6,705.70/x
  3. Step 3: Cross multiply
    11,242.44x = 15,516.40 × 6,705.70
  4. Step 4: Simplify right side
    11,242.44x = 104,048,340.24
  5. Step 5: Solve for x
    x = 104,048,340.24/11,242.44
  6. Step 6: Final answer
    x = 9,254.96

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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.