Home / 13,193.60-18,207.09-7,225.22

Finding the Fourth Proportional to 13,193.60, 18,207.09 and 7,225.22

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Solution

The fourth proportional to 13,193.60, 18,207.09 and 7,225.22 is: 9,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.60 : 18,207.09 = 7,225.22 : x
  2. Step 2: Convert to fraction form
    13,193.60/18,207.09 = 7,225.22/x
  3. Step 3: Cross multiply
    13,193.60x = 18,207.09 × 7,225.22
  4. Step 4: Simplify right side
    13,193.60x = 131,550,230.81
  5. Step 5: Solve for x
    x = 131,550,230.81/13,193.60
  6. Step 6: Final answer
    x = 9,970.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.