Home / 19,926.76-29,880.24-11,609.68

Finding the Fourth Proportional to 19,926.76, 29,880.24 and 11,609.68

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Solution

The fourth proportional to 19,926.76, 29,880.24 and 11,609.68 is: 17,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.76 : 29,880.24 = 11,609.68 : x
  2. Step 2: Convert to fraction form
    19,926.76/29,880.24 = 11,609.68/x
  3. Step 3: Cross multiply
    19,926.76x = 29,880.24 × 11,609.68
  4. Step 4: Simplify right side
    19,926.76x = 346,900,024.72
  5. Step 5: Solve for x
    x = 346,900,024.72/19,926.76
  6. Step 6: Final answer
    x = 17,408.75

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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.