Home / 13,116.64-19,672.05-3,756.63

Finding the Fourth Proportional to 13,116.64, 19,672.05 and 3,756.63

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Solution

The fourth proportional to 13,116.64, 19,672.05 and 3,756.63 is: 5,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.64 : 19,672.05 = 3,756.63 : x
  2. Step 2: Convert to fraction form
    13,116.64/19,672.05 = 3,756.63/x
  3. Step 3: Cross multiply
    13,116.64x = 19,672.05 × 3,756.63
  4. Step 4: Simplify right side
    13,116.64x = 73,900,613.19
  5. Step 5: Solve for x
    x = 73,900,613.19/13,116.64
  6. Step 6: Final answer
    x = 5,634.11

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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.