Home / 14,710.78-20,272.53-9,396.37

Finding the Fourth Proportional to 14,710.78, 20,272.53 and 9,396.37

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Solution

The fourth proportional to 14,710.78, 20,272.53 and 9,396.37 is: 12,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.78 : 20,272.53 = 9,396.37 : x
  2. Step 2: Convert to fraction form
    14,710.78/20,272.53 = 9,396.37/x
  3. Step 3: Cross multiply
    14,710.78x = 20,272.53 × 9,396.37
  4. Step 4: Simplify right side
    14,710.78x = 190,488,200.44
  5. Step 5: Solve for x
    x = 190,488,200.44/14,710.78
  6. Step 6: Final answer
    x = 12,948.88

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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.