Home / 13,744.02-20,618.77-4,383.72

Finding the Fourth Proportional to 13,744.02, 20,618.77 and 4,383.72

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Solution

The fourth proportional to 13,744.02, 20,618.77 and 4,383.72 is: 6,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.02 : 20,618.77 = 4,383.72 : x
  2. Step 2: Convert to fraction form
    13,744.02/20,618.77 = 4,383.72/x
  3. Step 3: Cross multiply
    13,744.02x = 20,618.77 × 4,383.72
  4. Step 4: Simplify right side
    13,744.02x = 90,386,914.42
  5. Step 5: Solve for x
    x = 90,386,914.42/13,744.02
  6. Step 6: Final answer
    x = 6,576.45

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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.