Home / 14,311.80-19,736.55-10,954.71

Finding the Fourth Proportional to 14,311.80, 19,736.55 and 10,954.71

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Solution

The fourth proportional to 14,311.80, 19,736.55 and 10,954.71 is: 15,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.80 : 19,736.55 = 10,954.71 : x
  2. Step 2: Convert to fraction form
    14,311.80/19,736.55 = 10,954.71/x
  3. Step 3: Cross multiply
    14,311.80x = 19,736.55 × 10,954.71
  4. Step 4: Simplify right side
    14,311.80x = 216,208,181.65
  5. Step 5: Solve for x
    x = 216,208,181.65/14,311.80
  6. Step 6: Final answer
    x = 15,106.99

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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.