Home / 14,184.80-21,383.42-13,233.32

Finding the Fourth Proportional to 14,184.80, 21,383.42 and 13,233.32

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Solution

The fourth proportional to 14,184.80, 21,383.42 and 13,233.32 is: 19,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.80 : 21,383.42 = 13,233.32 : x
  2. Step 2: Convert to fraction form
    14,184.80/21,383.42 = 13,233.32/x
  3. Step 3: Cross multiply
    14,184.80x = 21,383.42 × 13,233.32
  4. Step 4: Simplify right side
    14,184.80x = 282,973,639.55
  5. Step 5: Solve for x
    x = 282,973,639.55/14,184.80
  6. Step 6: Final answer
    x = 19,949.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.