Home / 13,728.47-20,593.45-4,369.24

Finding the Fourth Proportional to 13,728.47, 20,593.45 and 4,369.24

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Solution

The fourth proportional to 13,728.47, 20,593.45 and 4,369.24 is: 6,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.47 : 20,593.45 = 4,369.24 : x
  2. Step 2: Convert to fraction form
    13,728.47/20,593.45 = 4,369.24/x
  3. Step 3: Cross multiply
    13,728.47x = 20,593.45 × 4,369.24
  4. Step 4: Simplify right side
    13,728.47x = 89,977,622.51
  5. Step 5: Solve for x
    x = 89,977,622.51/13,728.47
  6. Step 6: Final answer
    x = 6,554.09

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1.5x scale

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.