Home / 19,807.55-29,704.84-9,274.31

Finding the Fourth Proportional to 19,807.55, 29,704.84 and 9,274.31

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Solution

The fourth proportional to 19,807.55, 29,704.84 and 9,274.31 is: 13,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.55 : 29,704.84 = 9,274.31 : x
  2. Step 2: Convert to fraction form
    19,807.55/29,704.84 = 9,274.31/x
  3. Step 3: Cross multiply
    19,807.55x = 29,704.84 × 9,274.31
  4. Step 4: Simplify right side
    19,807.55x = 275,491,699.76
  5. Step 5: Solve for x
    x = 275,491,699.76/19,807.55
  6. Step 6: Final answer
    x = 13,908.42

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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.