Home / 13,472.88-20,209.44-4,714.08

Finding the Fourth Proportional to 13,472.88, 20,209.44 and 4,714.08

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Solution

The fourth proportional to 13,472.88, 20,209.44 and 4,714.08 is: 7,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.88 : 20,209.44 = 4,714.08 : x
  2. Step 2: Convert to fraction form
    13,472.88/20,209.44 = 4,714.08/x
  3. Step 3: Cross multiply
    13,472.88x = 20,209.44 × 4,714.08
  4. Step 4: Simplify right side
    13,472.88x = 95,268,916.92
  5. Step 5: Solve for x
    x = 95,268,916.92/13,472.88
  6. Step 6: Final answer
    x = 7,071.16

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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.