Home / 14,167.98-21,290.94-13,242.29

Finding the Fourth Proportional to 14,167.98, 21,290.94 and 13,242.29

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Solution

The fourth proportional to 14,167.98, 21,290.94 and 13,242.29 is: 19,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.98 : 21,290.94 = 13,242.29 : x
  2. Step 2: Convert to fraction form
    14,167.98/21,290.94 = 13,242.29/x
  3. Step 3: Cross multiply
    14,167.98x = 21,290.94 × 13,242.29
  4. Step 4: Simplify right side
    14,167.98x = 281,940,695.40
  5. Step 5: Solve for x
    x = 281,940,695.40/14,167.98
  6. Step 6: Final answer
    x = 19,899.85

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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.