Home / 13,487.68-20,231.49-4,725.10

Finding the Fourth Proportional to 13,487.68, 20,231.49 and 4,725.10

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Solution

The fourth proportional to 13,487.68, 20,231.49 and 4,725.10 is: 7,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.68 : 20,231.49 = 4,725.10 : x
  2. Step 2: Convert to fraction form
    13,487.68/20,231.49 = 4,725.10/x
  3. Step 3: Cross multiply
    13,487.68x = 20,231.49 × 4,725.10
  4. Step 4: Simplify right side
    13,487.68x = 95,595,813.40
  5. Step 5: Solve for x
    x = 95,595,813.40/13,487.68
  6. Step 6: Final answer
    x = 7,087.64

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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.