Home / 14,329.56-21,377.98-13,554.52

Finding the Fourth Proportional to 14,329.56, 21,377.98 and 13,554.52

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Solution

The fourth proportional to 14,329.56, 21,377.98 and 13,554.52 is: 20,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.56 : 21,377.98 = 13,554.52 : x
  2. Step 2: Convert to fraction form
    14,329.56/21,377.98 = 13,554.52/x
  3. Step 3: Cross multiply
    14,329.56x = 21,377.98 × 13,554.52
  4. Step 4: Simplify right side
    14,329.56x = 289,768,257.47
  5. Step 5: Solve for x
    x = 289,768,257.47/14,329.56
  6. Step 6: Final answer
    x = 20,221.71

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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.