Home / 14,081.04-21,145.71-12,503.33

Finding the Fourth Proportional to 14,081.04, 21,145.71 and 12,503.33

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Solution

The fourth proportional to 14,081.04, 21,145.71 and 12,503.33 is: 18,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.04 : 21,145.71 = 12,503.33 : x
  2. Step 2: Convert to fraction form
    14,081.04/21,145.71 = 12,503.33/x
  3. Step 3: Cross multiply
    14,081.04x = 21,145.71 × 12,503.33
  4. Step 4: Simplify right side
    14,081.04x = 264,391,684.49
  5. Step 5: Solve for x
    x = 264,391,684.49/14,081.04
  6. Step 6: Final answer
    x = 18,776.43

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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.