Home / 12,803.10-19,207.35-4,038

Finding the Fourth Proportional to 12,803.10, 19,207.35 and 4,038

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Solution

The fourth proportional to 12,803.10, 19,207.35 and 4,038 is: 6,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.10 : 19,207.35 = 4,038 : x
  2. Step 2: Convert to fraction form
    12,803.10/19,207.35 = 4,038/x
  3. Step 3: Cross multiply
    12,803.10x = 19,207.35 × 4,038
  4. Step 4: Simplify right side
    12,803.10x = 77,559,279.30
  5. Step 5: Solve for x
    x = 77,559,279.30/12,803.10
  6. Step 6: Final answer
    x = 6,057.85

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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.