Home / 13,310.51-19,970.54-5,708.61

Finding the Fourth Proportional to 13,310.51, 19,970.54 and 5,708.61

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Solution

The fourth proportional to 13,310.51, 19,970.54 and 5,708.61 is: 8,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.51 : 19,970.54 = 5,708.61 : x
  2. Step 2: Convert to fraction form
    13,310.51/19,970.54 = 5,708.61/x
  3. Step 3: Cross multiply
    13,310.51x = 19,970.54 × 5,708.61
  4. Step 4: Simplify right side
    13,310.51x = 114,004,038.62
  5. Step 5: Solve for x
    x = 114,004,038.62/13,310.51
  6. Step 6: Final answer
    x = 8,564.97

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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.