Home / 13,715.48-20,571.11-4,354.27

Finding the Fourth Proportional to 13,715.48, 20,571.11 and 4,354.27

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Solution

The fourth proportional to 13,715.48, 20,571.11 and 4,354.27 is: 6,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.48 : 20,571.11 = 4,354.27 : x
  2. Step 2: Convert to fraction form
    13,715.48/20,571.11 = 4,354.27/x
  3. Step 3: Cross multiply
    13,715.48x = 20,571.11 × 4,354.27
  4. Step 4: Simplify right side
    13,715.48x = 89,572,167.14
  5. Step 5: Solve for x
    x = 89,572,167.14/13,715.48
  6. Step 6: Final answer
    x = 6,530.74

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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.