Home / 13,060.79-19,583.28-5,260.49

Finding the Fourth Proportional to 13,060.79, 19,583.28 and 5,260.49

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Solution

The fourth proportional to 13,060.79, 19,583.28 and 5,260.49 is: 7,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.79 : 19,583.28 = 5,260.49 : x
  2. Step 2: Convert to fraction form
    13,060.79/19,583.28 = 5,260.49/x
  3. Step 3: Cross multiply
    13,060.79x = 19,583.28 × 5,260.49
  4. Step 4: Simplify right side
    13,060.79x = 103,017,550.69
  5. Step 5: Solve for x
    x = 103,017,550.69/13,060.79
  6. Step 6: Final answer
    x = 7,887.55

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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.