Home / 13,938.30-19,226.43-9,224.10

Finding the Fourth Proportional to 13,938.30, 19,226.43 and 9,224.10

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Solution

The fourth proportional to 13,938.30, 19,226.43 and 9,224.10 is: 12,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.30 : 19,226.43 = 9,224.10 : x
  2. Step 2: Convert to fraction form
    13,938.30/19,226.43 = 9,224.10/x
  3. Step 3: Cross multiply
    13,938.30x = 19,226.43 × 9,224.10
  4. Step 4: Simplify right side
    13,938.30x = 177,346,512.96
  5. Step 5: Solve for x
    x = 177,346,512.96/13,938.30
  6. Step 6: Final answer
    x = 12,723.68

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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.