Home / 13,340.49-18,410.22-7,372.23

Finding the Fourth Proportional to 13,340.49, 18,410.22 and 7,372.23

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Solution

The fourth proportional to 13,340.49, 18,410.22 and 7,372.23 is: 10,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.49 : 18,410.22 = 7,372.23 : x
  2. Step 2: Convert to fraction form
    13,340.49/18,410.22 = 7,372.23/x
  3. Step 3: Cross multiply
    13,340.49x = 18,410.22 × 7,372.23
  4. Step 4: Simplify right side
    13,340.49x = 135,724,376.19
  5. Step 5: Solve for x
    x = 135,724,376.19/13,340.49
  6. Step 6: Final answer
    x = 10,173.87

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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.