Home / 13,207.98-19,812.28-4,442.89

Finding the Fourth Proportional to 13,207.98, 19,812.28 and 4,442.89

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Solution

The fourth proportional to 13,207.98, 19,812.28 and 4,442.89 is: 6,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.98 : 19,812.28 = 4,442.89 : x
  2. Step 2: Convert to fraction form
    13,207.98/19,812.28 = 4,442.89/x
  3. Step 3: Cross multiply
    13,207.98x = 19,812.28 × 4,442.89
  4. Step 4: Simplify right side
    13,207.98x = 88,023,780.69
  5. Step 5: Solve for x
    x = 88,023,780.69/13,207.98
  6. Step 6: Final answer
    x = 6,664.44

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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.