Home / 14,660.84-21,989.51-4,131.65

Finding the Fourth Proportional to 14,660.84, 21,989.51 and 4,131.65

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Solution

The fourth proportional to 14,660.84, 21,989.51 and 4,131.65 is: 6,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.84 : 21,989.51 = 4,131.65 : x
  2. Step 2: Convert to fraction form
    14,660.84/21,989.51 = 4,131.65/x
  3. Step 3: Cross multiply
    14,660.84x = 21,989.51 × 4,131.65
  4. Step 4: Simplify right side
    14,660.84x = 90,852,958.99
  5. Step 5: Solve for x
    x = 90,852,958.99/14,660.84
  6. Step 6: Final answer
    x = 6,196.98

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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.