Home / 11,202.30-15,447.71-7,424.16

Finding the Fourth Proportional to 11,202.30, 15,447.71 and 7,424.16

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Solution

The fourth proportional to 11,202.30, 15,447.71 and 7,424.16 is: 10,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.30 : 15,447.71 = 7,424.16 : x
  2. Step 2: Convert to fraction form
    11,202.30/15,447.71 = 7,424.16/x
  3. Step 3: Cross multiply
    11,202.30x = 15,447.71 × 7,424.16
  4. Step 4: Simplify right side
    11,202.30x = 114,686,231.31
  5. Step 5: Solve for x
    x = 114,686,231.31/11,202.30
  6. Step 6: Final answer
    x = 10,237.74

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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.