Home / 11,264.24-15,537.54-8,390.56

Finding the Fourth Proportional to 11,264.24, 15,537.54 and 8,390.56

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Solution

The fourth proportional to 11,264.24, 15,537.54 and 8,390.56 is: 11,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.24 : 15,537.54 = 8,390.56 : x
  2. Step 2: Convert to fraction form
    11,264.24/15,537.54 = 8,390.56/x
  3. Step 3: Cross multiply
    11,264.24x = 15,537.54 × 8,390.56
  4. Step 4: Simplify right side
    11,264.24x = 130,368,661.62
  5. Step 5: Solve for x
    x = 130,368,661.62/11,264.24
  6. Step 6: Final answer
    x = 11,573.68

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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.