Home / 13,262.29-19,892.37-7,712.09

Finding the Fourth Proportional to 13,262.29, 19,892.37 and 7,712.09

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Solution

The fourth proportional to 13,262.29, 19,892.37 and 7,712.09 is: 11,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.29 : 19,892.37 = 7,712.09 : x
  2. Step 2: Convert to fraction form
    13,262.29/19,892.37 = 7,712.09/x
  3. Step 3: Cross multiply
    13,262.29x = 19,892.37 × 7,712.09
  4. Step 4: Simplify right side
    13,262.29x = 153,411,747.75
  5. Step 5: Solve for x
    x = 153,411,747.75/13,262.29
  6. Step 6: Final answer
    x = 11,567.52

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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.