Home / 13,384.13-20,076.20-4,150.13

Finding the Fourth Proportional to 13,384.13, 20,076.20 and 4,150.13

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Solution

The fourth proportional to 13,384.13, 20,076.20 and 4,150.13 is: 6,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.13 : 20,076.20 = 4,150.13 : x
  2. Step 2: Convert to fraction form
    13,384.13/20,076.20 = 4,150.13/x
  3. Step 3: Cross multiply
    13,384.13x = 20,076.20 × 4,150.13
  4. Step 4: Simplify right side
    13,384.13x = 83,318,718.77
  5. Step 5: Solve for x
    x = 83,318,718.77/13,384.13
  6. Step 6: Final answer
    x = 6,225.19

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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.