Home / 13,110.32-19,669.34-7,567.64

Finding the Fourth Proportional to 13,110.32, 19,669.34 and 7,567.64

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Solution

The fourth proportional to 13,110.32, 19,669.34 and 7,567.64 is: 11,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.32 : 19,669.34 = 7,567.64 : x
  2. Step 2: Convert to fraction form
    13,110.32/19,669.34 = 7,567.64/x
  3. Step 3: Cross multiply
    13,110.32x = 19,669.34 × 7,567.64
  4. Step 4: Simplify right side
    13,110.32x = 148,850,484.16
  5. Step 5: Solve for x
    x = 148,850,484.16/13,110.32
  6. Step 6: Final answer
    x = 11,353.69

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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.