Home / 13,334.91-18,401.62-7,669.23

Finding the Fourth Proportional to 13,334.91, 18,401.62 and 7,669.23

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Solution

The fourth proportional to 13,334.91, 18,401.62 and 7,669.23 is: 10,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.91 : 18,401.62 = 7,669.23 : x
  2. Step 2: Convert to fraction form
    13,334.91/18,401.62 = 7,669.23/x
  3. Step 3: Cross multiply
    13,334.91x = 18,401.62 × 7,669.23
  4. Step 4: Simplify right side
    13,334.91x = 141,126,256.15
  5. Step 5: Solve for x
    x = 141,126,256.15/13,334.91
  6. Step 6: Final answer
    x = 10,583.22

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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.