Home / 14,518.85-20,035.76-8,145.56

Finding the Fourth Proportional to 14,518.85, 20,035.76 and 8,145.56

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Solution

The fourth proportional to 14,518.85, 20,035.76 and 8,145.56 is: 11,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.85 : 20,035.76 = 8,145.56 : x
  2. Step 2: Convert to fraction form
    14,518.85/20,035.76 = 8,145.56/x
  3. Step 3: Cross multiply
    14,518.85x = 20,035.76 × 8,145.56
  4. Step 4: Simplify right side
    14,518.85x = 163,202,494.59
  5. Step 5: Solve for x
    x = 163,202,494.59/14,518.85
  6. Step 6: Final answer
    x = 11,240.74

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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.