Home / 13,073.49-19,612.67-5,287.77

Finding the Fourth Proportional to 13,073.49, 19,612.67 and 5,287.77

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Solution

The fourth proportional to 13,073.49, 19,612.67 and 5,287.77 is: 7,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.49 : 19,612.67 = 5,287.77 : x
  2. Step 2: Convert to fraction form
    13,073.49/19,612.67 = 5,287.77/x
  3. Step 3: Cross multiply
    13,073.49x = 19,612.67 × 5,287.77
  4. Step 4: Simplify right side
    13,073.49x = 103,707,261.61
  5. Step 5: Solve for x
    x = 103,707,261.61/13,073.49
  6. Step 6: Final answer
    x = 7,932.64

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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.