Home / 13,506.56-20,267.42-5,721.20

Finding the Fourth Proportional to 13,506.56, 20,267.42 and 5,721.20

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Solution

The fourth proportional to 13,506.56, 20,267.42 and 5,721.20 is: 8,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.56 : 20,267.42 = 5,721.20 : x
  2. Step 2: Convert to fraction form
    13,506.56/20,267.42 = 5,721.20/x
  3. Step 3: Cross multiply
    13,506.56x = 20,267.42 × 5,721.20
  4. Step 4: Simplify right side
    13,506.56x = 115,953,963.30
  5. Step 5: Solve for x
    x = 115,953,963.30/13,506.56
  6. Step 6: Final answer
    x = 8,585.01

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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.