Home / 13,381.34-20,102.77-9,441.66

Finding the Fourth Proportional to 13,381.34, 20,102.77 and 9,441.66

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Solution

The fourth proportional to 13,381.34, 20,102.77 and 9,441.66 is: 14,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.34 : 20,102.77 = 9,441.66 : x
  2. Step 2: Convert to fraction form
    13,381.34/20,102.77 = 9,441.66/x
  3. Step 3: Cross multiply
    13,381.34x = 20,102.77 × 9,441.66
  4. Step 4: Simplify right side
    13,381.34x = 189,803,553.48
  5. Step 5: Solve for x
    x = 189,803,553.48/13,381.34
  6. Step 6: Final answer
    x = 14,184.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.