Home / 14,167.04-21,334.89-12,340.21

Finding the Fourth Proportional to 14,167.04, 21,334.89 and 12,340.21

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Solution

The fourth proportional to 14,167.04, 21,334.89 and 12,340.21 is: 18,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.04 : 21,334.89 = 12,340.21 : x
  2. Step 2: Convert to fraction form
    14,167.04/21,334.89 = 12,340.21/x
  3. Step 3: Cross multiply
    14,167.04x = 21,334.89 × 12,340.21
  4. Step 4: Simplify right side
    14,167.04x = 263,277,022.93
  5. Step 5: Solve for x
    x = 263,277,022.93/14,167.04
  6. Step 6: Final answer
    x = 18,583.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.