Home / 12,800.10-19,202.85-4,035

Finding the Fourth Proportional to 12,800.10, 19,202.85 and 4,035

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Solution

The fourth proportional to 12,800.10, 19,202.85 and 4,035 is: 6,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.10 : 19,202.85 = 4,035 : x
  2. Step 2: Convert to fraction form
    12,800.10/19,202.85 = 4,035/x
  3. Step 3: Cross multiply
    12,800.10x = 19,202.85 × 4,035
  4. Step 4: Simplify right side
    12,800.10x = 77,483,499.75
  5. Step 5: Solve for x
    x = 77,483,499.75/12,800.10
  6. Step 6: Final answer
    x = 6,053.35

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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.