Home / 14,728.78-20,317.82-10,244.75

Finding the Fourth Proportional to 14,728.78, 20,317.82 and 10,244.75

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Solution

The fourth proportional to 14,728.78, 20,317.82 and 10,244.75 is: 14,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.78 : 20,317.82 = 10,244.75 : x
  2. Step 2: Convert to fraction form
    14,728.78/20,317.82 = 10,244.75/x
  3. Step 3: Cross multiply
    14,728.78x = 20,317.82 × 10,244.75
  4. Step 4: Simplify right side
    14,728.78x = 208,150,833.63
  5. Step 5: Solve for x
    x = 208,150,833.63/14,728.78
  6. Step 6: Final answer
    x = 14,132.25

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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.