Home / 19,567.36-29,361.56-12,996.64

Finding the Fourth Proportional to 19,567.36, 29,361.56 and 12,996.64

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Solution

The fourth proportional to 19,567.36, 29,361.56 and 12,996.64 is: 19,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.36 : 29,361.56 = 12,996.64 : x
  2. Step 2: Convert to fraction form
    19,567.36/29,361.56 = 12,996.64/x
  3. Step 3: Cross multiply
    19,567.36x = 29,361.56 × 12,996.64
  4. Step 4: Simplify right side
    19,567.36x = 381,601,625.16
  5. Step 5: Solve for x
    x = 381,601,625.16/19,567.36
  6. Step 6: Final answer
    x = 19,501.95

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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.