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Finding the Fourth Proportional to 15,018.63, 22,491.63 and 14,624.97

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Solution

The fourth proportional to 15,018.63, 22,491.63 and 14,624.97 is: 21,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.63 : 22,491.63 = 14,624.97 : x
  2. Step 2: Convert to fraction form
    15,018.63/22,491.63 = 14,624.97/x
  3. Step 3: Cross multiply
    15,018.63x = 22,491.63 × 14,624.97
  4. Step 4: Simplify right side
    15,018.63x = 328,939,414.00
  5. Step 5: Solve for x
    x = 328,939,414.00/15,018.63
  6. Step 6: Final answer
    x = 21,902.09

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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.