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Finding the Fourth Proportional to 14,001, 19,320.72 and 8,032.08

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Solution

The fourth proportional to 14,001, 19,320.72 and 8,032.08 is: 11,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001 : 19,320.72 = 8,032.08 : x
  2. Step 2: Convert to fraction form
    14,001/19,320.72 = 8,032.08/x
  3. Step 3: Cross multiply
    14,001x = 19,320.72 × 8,032.08
  4. Step 4: Simplify right side
    14,001x = 155,185,568.70
  5. Step 5: Solve for x
    x = 155,185,568.70/14,001
  6. Step 6: Final answer
    x = 11,083.89

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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.