Home / 14,772.40-20,344.44-14,449.84

Finding the Fourth Proportional to 14,772.40, 20,344.44 and 14,449.84

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Solution

The fourth proportional to 14,772.40, 20,344.44 and 14,449.84 is: 19,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.40 : 20,344.44 = 14,449.84 : x
  2. Step 2: Convert to fraction form
    14,772.40/20,344.44 = 14,449.84/x
  3. Step 3: Cross multiply
    14,772.40x = 20,344.44 × 14,449.84
  4. Step 4: Simplify right side
    14,772.40x = 293,973,902.89
  5. Step 5: Solve for x
    x = 293,973,902.89/14,772.40
  6. Step 6: Final answer
    x = 19,900.21

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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.