Home / 13,334.02-18,401.73-7,365.78

Finding the Fourth Proportional to 13,334.02, 18,401.73 and 7,365.78

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Solution

The fourth proportional to 13,334.02, 18,401.73 and 7,365.78 is: 10,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.02 : 18,401.73 = 7,365.78 : x
  2. Step 2: Convert to fraction form
    13,334.02/18,401.73 = 7,365.78/x
  3. Step 3: Cross multiply
    13,334.02x = 18,401.73 × 7,365.78
  4. Step 4: Simplify right side
    13,334.02x = 135,543,094.80
  5. Step 5: Solve for x
    x = 135,543,094.80/13,334.02
  6. Step 6: Final answer
    x = 10,165.21

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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.