Home / 13,828.64-20,744.85-4,465.55

Finding the Fourth Proportional to 13,828.64, 20,744.85 and 4,465.55

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Solution

The fourth proportional to 13,828.64, 20,744.85 and 4,465.55 is: 6,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.64 : 20,744.85 = 4,465.55 : x
  2. Step 2: Convert to fraction form
    13,828.64/20,744.85 = 4,465.55/x
  3. Step 3: Cross multiply
    13,828.64x = 20,744.85 × 4,465.55
  4. Step 4: Simplify right side
    13,828.64x = 92,637,061.19
  5. Step 5: Solve for x
    x = 92,637,061.19/13,828.64
  6. Step 6: Final answer
    x = 6,698.93

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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.