Home / 13,288.16-19,910.28-5,881.52

Finding the Fourth Proportional to 13,288.16, 19,910.28 and 5,881.52

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Solution

The fourth proportional to 13,288.16, 19,910.28 and 5,881.52 is: 8,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.16 : 19,910.28 = 5,881.52 : x
  2. Step 2: Convert to fraction form
    13,288.16/19,910.28 = 5,881.52/x
  3. Step 3: Cross multiply
    13,288.16x = 19,910.28 × 5,881.52
  4. Step 4: Simplify right side
    13,288.16x = 117,102,710.03
  5. Step 5: Solve for x
    x = 117,102,710.03/13,288.16
  6. Step 6: Final answer
    x = 8,812.56

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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.