Home / 14,329.56-21,377.97-13,554.51

Finding the Fourth Proportional to 14,329.56, 21,377.97 and 13,554.51

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Solution

The fourth proportional to 14,329.56, 21,377.97 and 13,554.51 is: 20,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.56 : 21,377.97 = 13,554.51 : x
  2. Step 2: Convert to fraction form
    14,329.56/21,377.97 = 13,554.51/x
  3. Step 3: Cross multiply
    14,329.56x = 21,377.97 × 13,554.51
  4. Step 4: Simplify right side
    14,329.56x = 289,767,908.14
  5. Step 5: Solve for x
    x = 289,767,908.14/14,329.56
  6. Step 6: Final answer
    x = 20,221.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.