Home / 12,700.72-19,052.43-3,936.32

Finding the Fourth Proportional to 12,700.72, 19,052.43 and 3,936.32

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Solution

The fourth proportional to 12,700.72, 19,052.43 and 3,936.32 is: 5,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.72 : 19,052.43 = 3,936.32 : x
  2. Step 2: Convert to fraction form
    12,700.72/19,052.43 = 3,936.32/x
  3. Step 3: Cross multiply
    12,700.72x = 19,052.43 × 3,936.32
  4. Step 4: Simplify right side
    12,700.72x = 74,996,461.26
  5. Step 5: Solve for x
    x = 74,996,461.26/12,700.72
  6. Step 6: Final answer
    x = 5,904.90

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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.