Home / 13,487.88-20,235.75-5,588.94

Finding the Fourth Proportional to 13,487.88, 20,235.75 and 5,588.94

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Solution

The fourth proportional to 13,487.88, 20,235.75 and 5,588.94 is: 8,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.88 : 20,235.75 = 5,588.94 : x
  2. Step 2: Convert to fraction form
    13,487.88/20,235.75 = 5,588.94/x
  3. Step 3: Cross multiply
    13,487.88x = 20,235.75 × 5,588.94
  4. Step 4: Simplify right side
    13,487.88x = 113,096,392.61
  5. Step 5: Solve for x
    x = 113,096,392.61/13,487.88
  6. Step 6: Final answer
    x = 8,385.04

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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.