Home / 13,250.98-19,883.85-11,312.02

Finding the Fourth Proportional to 13,250.98, 19,883.85 and 11,312.02

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Solution

The fourth proportional to 13,250.98, 19,883.85 and 11,312.02 is: 16,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.98 : 19,883.85 = 11,312.02 : x
  2. Step 2: Convert to fraction form
    13,250.98/19,883.85 = 11,312.02/x
  3. Step 3: Cross multiply
    13,250.98x = 19,883.85 × 11,312.02
  4. Step 4: Simplify right side
    13,250.98x = 224,926,508.88
  5. Step 5: Solve for x
    x = 224,926,508.88/13,250.98
  6. Step 6: Final answer
    x = 16,974.33

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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.