Home / 14,645.88-21,925.08-13,450.32

Finding the Fourth Proportional to 14,645.88, 21,925.08 and 13,450.32

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Solution

The fourth proportional to 14,645.88, 21,925.08 and 13,450.32 is: 20,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.88 : 21,925.08 = 13,450.32 : x
  2. Step 2: Convert to fraction form
    14,645.88/21,925.08 = 13,450.32/x
  3. Step 3: Cross multiply
    14,645.88x = 21,925.08 × 13,450.32
  4. Step 4: Simplify right side
    14,645.88x = 294,899,342.03
  5. Step 5: Solve for x
    x = 294,899,342.03/14,645.88
  6. Step 6: Final answer
    x = 20,135.31

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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.