Home / 13,290.36-19,941.48-7,446.96

Finding the Fourth Proportional to 13,290.36, 19,941.48 and 7,446.96

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Solution

The fourth proportional to 13,290.36, 19,941.48 and 7,446.96 is: 11,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.36 : 19,941.48 = 7,446.96 : x
  2. Step 2: Convert to fraction form
    13,290.36/19,941.48 = 7,446.96/x
  3. Step 3: Cross multiply
    13,290.36x = 19,941.48 × 7,446.96
  4. Step 4: Simplify right side
    13,290.36x = 148,503,403.90
  5. Step 5: Solve for x
    x = 148,503,403.90/13,290.36
  6. Step 6: Final answer
    x = 11,173.77

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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.