Home / 14,474.97-21,582.41-13,239.32

Finding the Fourth Proportional to 14,474.97, 21,582.41 and 13,239.32

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Solution

The fourth proportional to 14,474.97, 21,582.41 and 13,239.32 is: 19,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.97 : 21,582.41 = 13,239.32 : x
  2. Step 2: Convert to fraction form
    14,474.97/21,582.41 = 13,239.32/x
  3. Step 3: Cross multiply
    14,474.97x = 21,582.41 × 13,239.32
  4. Step 4: Simplify right side
    14,474.97x = 285,736,258.25
  5. Step 5: Solve for x
    x = 285,736,258.25/14,474.97
  6. Step 6: Final answer
    x = 19,740.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.