Home / 19,508.82-26,904.45-13,130.07

Finding the Fourth Proportional to 19,508.82, 26,904.45 and 13,130.07

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Solution

The fourth proportional to 19,508.82, 26,904.45 and 13,130.07 is: 18,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.82 : 26,904.45 = 13,130.07 : x
  2. Step 2: Convert to fraction form
    19,508.82/26,904.45 = 13,130.07/x
  3. Step 3: Cross multiply
    19,508.82x = 26,904.45 × 13,130.07
  4. Step 4: Simplify right side
    19,508.82x = 353,257,311.81
  5. Step 5: Solve for x
    x = 353,257,311.81/19,508.82
  6. Step 6: Final answer
    x = 18,107.57

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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.