Home / 13,715.40-20,573.10-4,950.60

Finding the Fourth Proportional to 13,715.40, 20,573.10 and 4,950.60

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Solution

The fourth proportional to 13,715.40, 20,573.10 and 4,950.60 is: 7,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.40 : 20,573.10 = 4,950.60 : x
  2. Step 2: Convert to fraction form
    13,715.40/20,573.10 = 4,950.60/x
  3. Step 3: Cross multiply
    13,715.40x = 20,573.10 × 4,950.60
  4. Step 4: Simplify right side
    13,715.40x = 101,849,188.86
  5. Step 5: Solve for x
    x = 101,849,188.86/13,715.40
  6. Step 6: Final answer
    x = 7,425.90

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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.