Home / 14,471.84-21,714.74-12,601.28

Finding the Fourth Proportional to 14,471.84, 21,714.74 and 12,601.28

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Solution

The fourth proportional to 14,471.84, 21,714.74 and 12,601.28 is: 18,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.84 : 21,714.74 = 12,601.28 : x
  2. Step 2: Convert to fraction form
    14,471.84/21,714.74 = 12,601.28/x
  3. Step 3: Cross multiply
    14,471.84x = 21,714.74 × 12,601.28
  4. Step 4: Simplify right side
    14,471.84x = 273,633,347.29
  5. Step 5: Solve for x
    x = 273,633,347.29/14,471.84
  6. Step 6: Final answer
    x = 18,907.99

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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.