Home / 13,118.70-19,672.25-3,756.59

Finding the Fourth Proportional to 13,118.70, 19,672.25 and 3,756.59

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Solution

The fourth proportional to 13,118.70, 19,672.25 and 3,756.59 is: 5,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.70 : 19,672.25 = 3,756.59 : x
  2. Step 2: Convert to fraction form
    13,118.70/19,672.25 = 3,756.59/x
  3. Step 3: Cross multiply
    13,118.70x = 19,672.25 × 3,756.59
  4. Step 4: Simplify right side
    13,118.70x = 73,900,518.50
  5. Step 5: Solve for x
    x = 73,900,518.50/13,118.70
  6. Step 6: Final answer
    x = 5,633.22

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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.