Home / 12,635.35-18,953.52-3,750.66

Finding the Fourth Proportional to 12,635.35, 18,953.52 and 3,750.66

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Solution

The fourth proportional to 12,635.35, 18,953.52 and 3,750.66 is: 5,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.35 : 18,953.52 = 3,750.66 : x
  2. Step 2: Convert to fraction form
    12,635.35/18,953.52 = 3,750.66/x
  3. Step 3: Cross multiply
    12,635.35x = 18,953.52 × 3,750.66
  4. Step 4: Simplify right side
    12,635.35x = 71,088,209.32
  5. Step 5: Solve for x
    x = 71,088,209.32/12,635.35
  6. Step 6: Final answer
    x = 5,626.14

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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.