Home / 19,910.20-29,858.10-10,046.20

Finding the Fourth Proportional to 19,910.20, 29,858.10 and 10,046.20

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Solution

The fourth proportional to 19,910.20, 29,858.10 and 10,046.20 is: 15,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.20 : 29,858.10 = 10,046.20 : x
  2. Step 2: Convert to fraction form
    19,910.20/29,858.10 = 10,046.20/x
  3. Step 3: Cross multiply
    19,910.20x = 29,858.10 × 10,046.20
  4. Step 4: Simplify right side
    19,910.20x = 299,960,444.22
  5. Step 5: Solve for x
    x = 299,960,444.22/19,910.20
  6. Step 6: Final answer
    x = 15,065.67

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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.