Home / 13,103.07-19,655.28-3,742.35

Finding the Fourth Proportional to 13,103.07, 19,655.28 and 3,742.35

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Solution

The fourth proportional to 13,103.07, 19,655.28 and 3,742.35 is: 5,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.07 : 19,655.28 = 3,742.35 : x
  2. Step 2: Convert to fraction form
    13,103.07/19,655.28 = 3,742.35/x
  3. Step 3: Cross multiply
    13,103.07x = 19,655.28 × 3,742.35
  4. Step 4: Simplify right side
    13,103.07x = 73,556,937.11
  5. Step 5: Solve for x
    x = 73,556,937.11/13,103.07
  6. Step 6: Final answer
    x = 5,613.72

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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.