Home / 13,154.56-19,732.04-4,389.48

Finding the Fourth Proportional to 13,154.56, 19,732.04 and 4,389.48

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Solution

The fourth proportional to 13,154.56, 19,732.04 and 4,389.48 is: 6,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.56 : 19,732.04 = 4,389.48 : x
  2. Step 2: Convert to fraction form
    13,154.56/19,732.04 = 4,389.48/x
  3. Step 3: Cross multiply
    13,154.56x = 19,732.04 × 4,389.48
  4. Step 4: Simplify right side
    13,154.56x = 86,613,394.94
  5. Step 5: Solve for x
    x = 86,613,394.94/13,154.56
  6. Step 6: Final answer
    x = 6,584.29

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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.