Home / 14,349.09-21,505.36-8,112.57

Finding the Fourth Proportional to 14,349.09, 21,505.36 and 8,112.57

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Solution

The fourth proportional to 14,349.09, 21,505.36 and 8,112.57 is: 12,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.09 : 21,505.36 = 8,112.57 : x
  2. Step 2: Convert to fraction form
    14,349.09/21,505.36 = 8,112.57/x
  3. Step 3: Cross multiply
    14,349.09x = 21,505.36 × 8,112.57
  4. Step 4: Simplify right side
    14,349.09x = 174,463,694.31
  5. Step 5: Solve for x
    x = 174,463,694.31/14,349.09
  6. Step 6: Final answer
    x = 12,158.52

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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.