Home / 12,829.60-19,247.10-4,065.40

Finding the Fourth Proportional to 12,829.60, 19,247.10 and 4,065.40

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Solution

The fourth proportional to 12,829.60, 19,247.10 and 4,065.40 is: 6,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.60 : 19,247.10 = 4,065.40 : x
  2. Step 2: Convert to fraction form
    12,829.60/19,247.10 = 4,065.40/x
  3. Step 3: Cross multiply
    12,829.60x = 19,247.10 × 4,065.40
  4. Step 4: Simplify right side
    12,829.60x = 78,247,160.34
  5. Step 5: Solve for x
    x = 78,247,160.34/12,829.60
  6. Step 6: Final answer
    x = 6,098.96

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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.