Home / 14,053.35-21,069.61-8,505.38

Finding the Fourth Proportional to 14,053.35, 21,069.61 and 8,505.38

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Solution

The fourth proportional to 14,053.35, 21,069.61 and 8,505.38 is: 12,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.35 : 21,069.61 = 8,505.38 : x
  2. Step 2: Convert to fraction form
    14,053.35/21,069.61 = 8,505.38/x
  3. Step 3: Cross multiply
    14,053.35x = 21,069.61 × 8,505.38
  4. Step 4: Simplify right side
    14,053.35x = 179,205,039.50
  5. Step 5: Solve for x
    x = 179,205,039.50/14,053.35
  6. Step 6: Final answer
    x = 12,751.77

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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.