Home / 11,567.64-17,379.14-7,415.76

Finding the Fourth Proportional to 11,567.64, 17,379.14 and 7,415.76

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Solution

The fourth proportional to 11,567.64, 17,379.14 and 7,415.76 is: 11,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.64 : 17,379.14 = 7,415.76 : x
  2. Step 2: Convert to fraction form
    11,567.64/17,379.14 = 7,415.76/x
  3. Step 3: Cross multiply
    11,567.64x = 17,379.14 × 7,415.76
  4. Step 4: Simplify right side
    11,567.64x = 128,879,531.25
  5. Step 5: Solve for x
    x = 128,879,531.25/11,567.64
  6. Step 6: Final answer
    x = 11,141.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.