Home / 13,629.02-20,426.43-5,828.66

Finding the Fourth Proportional to 13,629.02, 20,426.43 and 5,828.66

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Solution

The fourth proportional to 13,629.02, 20,426.43 and 5,828.66 is: 8,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.02 : 20,426.43 = 5,828.66 : x
  2. Step 2: Convert to fraction form
    13,629.02/20,426.43 = 5,828.66/x
  3. Step 3: Cross multiply
    13,629.02x = 20,426.43 × 5,828.66
  4. Step 4: Simplify right side
    13,629.02x = 119,058,715.48
  5. Step 5: Solve for x
    x = 119,058,715.48/13,629.02
  6. Step 6: Final answer
    x = 8,735.68

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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.