Home / 13,580.09-20,353.73-6,174.39

Finding the Fourth Proportional to 13,580.09, 20,353.73 and 6,174.39

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Solution

The fourth proportional to 13,580.09, 20,353.73 and 6,174.39 is: 9,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.09 : 20,353.73 = 6,174.39 : x
  2. Step 2: Convert to fraction form
    13,580.09/20,353.73 = 6,174.39/x
  3. Step 3: Cross multiply
    13,580.09x = 20,353.73 × 6,174.39
  4. Step 4: Simplify right side
    13,580.09x = 125,671,836.10
  5. Step 5: Solve for x
    x = 125,671,836.10/13,580.09
  6. Step 6: Final answer
    x = 9,254.13

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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.