Home / 13,302.41-18,357.45-7,334.29

Finding the Fourth Proportional to 13,302.41, 18,357.45 and 7,334.29

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Solution

The fourth proportional to 13,302.41, 18,357.45 and 7,334.29 is: 10,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.41 : 18,357.45 = 7,334.29 : x
  2. Step 2: Convert to fraction form
    13,302.41/18,357.45 = 7,334.29/x
  3. Step 3: Cross multiply
    13,302.41x = 18,357.45 × 7,334.29
  4. Step 4: Simplify right side
    13,302.41x = 134,638,861.96
  5. Step 5: Solve for x
    x = 134,638,861.96/13,302.41
  6. Step 6: Final answer
    x = 10,121.39

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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.