Home / 14,311.62-19,746.90-13,839.66

Finding the Fourth Proportional to 14,311.62, 19,746.90 and 13,839.66

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Solution

The fourth proportional to 14,311.62, 19,746.90 and 13,839.66 is: 19,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.62 : 19,746.90 = 13,839.66 : x
  2. Step 2: Convert to fraction form
    14,311.62/19,746.90 = 13,839.66/x
  3. Step 3: Cross multiply
    14,311.62x = 19,746.90 × 13,839.66
  4. Step 4: Simplify right side
    14,311.62x = 273,290,382.05
  5. Step 5: Solve for x
    x = 273,290,382.05/14,311.62
  6. Step 6: Final answer
    x = 19,095.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.