Home / 13,579.65-20,347.29-13,060.68

Finding the Fourth Proportional to 13,579.65, 20,347.29 and 13,060.68

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Solution

The fourth proportional to 13,579.65, 20,347.29 and 13,060.68 is: 19,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.65 : 20,347.29 = 13,060.68 : x
  2. Step 2: Convert to fraction form
    13,579.65/20,347.29 = 13,060.68/x
  3. Step 3: Cross multiply
    13,579.65x = 20,347.29 × 13,060.68
  4. Step 4: Simplify right side
    13,579.65x = 265,749,443.56
  5. Step 5: Solve for x
    x = 265,749,443.56/13,579.65
  6. Step 6: Final answer
    x = 19,569.68

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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.