Home / 13,567.28-18,725.07-7,600.41

Finding the Fourth Proportional to 13,567.28, 18,725.07 and 7,600.41

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Solution

The fourth proportional to 13,567.28, 18,725.07 and 7,600.41 is: 10,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.28 : 18,725.07 = 7,600.41 : x
  2. Step 2: Convert to fraction form
    13,567.28/18,725.07 = 7,600.41/x
  3. Step 3: Cross multiply
    13,567.28x = 18,725.07 × 7,600.41
  4. Step 4: Simplify right side
    13,567.28x = 142,318,209.28
  5. Step 5: Solve for x
    x = 142,318,209.28/13,567.28
  6. Step 6: Final answer
    x = 10,489.82

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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.