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Finding the Fourth Proportional to 14,758.55, 22,125.77 and 6,865.99

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Solution

The fourth proportional to 14,758.55, 22,125.77 and 6,865.99 is: 10,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.55 : 22,125.77 = 6,865.99 : x
  2. Step 2: Convert to fraction form
    14,758.55/22,125.77 = 6,865.99/x
  3. Step 3: Cross multiply
    14,758.55x = 22,125.77 × 6,865.99
  4. Step 4: Simplify right side
    14,758.55x = 151,915,225.92
  5. Step 5: Solve for x
    x = 151,915,225.92/14,758.55
  6. Step 6: Final answer
    x = 10,293.37

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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.