Home / 13,490.52-20,244.77-4,725.42

Finding the Fourth Proportional to 13,490.52, 20,244.77 and 4,725.42

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Solution

The fourth proportional to 13,490.52, 20,244.77 and 4,725.42 is: 7,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.52 : 20,244.77 = 4,725.42 : x
  2. Step 2: Convert to fraction form
    13,490.52/20,244.77 = 4,725.42/x
  3. Step 3: Cross multiply
    13,490.52x = 20,244.77 × 4,725.42
  4. Step 4: Simplify right side
    13,490.52x = 95,665,017.43
  5. Step 5: Solve for x
    x = 95,665,017.43/13,490.52
  6. Step 6: Final answer
    x = 7,091.28

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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.