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Finding the Fourth Proportional to 14,363.84, 19,825.26 and 9,065.84

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Solution

The fourth proportional to 14,363.84, 19,825.26 and 9,065.84 is: 12,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.84 : 19,825.26 = 9,065.84 : x
  2. Step 2: Convert to fraction form
    14,363.84/19,825.26 = 9,065.84/x
  3. Step 3: Cross multiply
    14,363.84x = 19,825.26 × 9,065.84
  4. Step 4: Simplify right side
    14,363.84x = 179,732,635.12
  5. Step 5: Solve for x
    x = 179,732,635.12/14,363.84
  6. Step 6: Final answer
    x = 12,512.85

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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.