Home / 13,551.72-18,707.62-9,576.04

Finding the Fourth Proportional to 13,551.72, 18,707.62 and 9,576.04

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Solution

The fourth proportional to 13,551.72, 18,707.62 and 9,576.04 is: 13,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.72 : 18,707.62 = 9,576.04 : x
  2. Step 2: Convert to fraction form
    13,551.72/18,707.62 = 9,576.04/x
  3. Step 3: Cross multiply
    13,551.72x = 18,707.62 × 9,576.04
  4. Step 4: Simplify right side
    13,551.72x = 179,144,917.42
  5. Step 5: Solve for x
    x = 179,144,917.42/13,551.72
  6. Step 6: Final answer
    x = 13,219.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.