Home / 14,032.20-19,304.82-13,643.40

Finding the Fourth Proportional to 14,032.20, 19,304.82 and 13,643.40

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Solution

The fourth proportional to 14,032.20, 19,304.82 and 13,643.40 is: 18,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.20 : 19,304.82 = 13,643.40 : x
  2. Step 2: Convert to fraction form
    14,032.20/19,304.82 = 13,643.40/x
  3. Step 3: Cross multiply
    14,032.20x = 19,304.82 × 13,643.40
  4. Step 4: Simplify right side
    14,032.20x = 263,383,381.19
  5. Step 5: Solve for x
    x = 263,383,381.19/14,032.20
  6. Step 6: Final answer
    x = 18,769.93

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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.