Home / 13,348.00-18,420.62-7,380.06

Finding the Fourth Proportional to 13,348.00, 18,420.62 and 7,380.06

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Solution

The fourth proportional to 13,348.00, 18,420.62 and 7,380.06 is: 10,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.00 : 18,420.62 = 7,380.06 : x
  2. Step 2: Convert to fraction form
    13,348.00/18,420.62 = 7,380.06/x
  3. Step 3: Cross multiply
    13,348.00x = 18,420.62 × 7,380.06
  4. Step 4: Simplify right side
    13,348.00x = 135,945,278.48
  5. Step 5: Solve for x
    x = 135,945,278.48/13,348.00
  6. Step 6: Final answer
    x = 10,184.69

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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.