Home / 12,857.56-19,304.18-6,622.02

Finding the Fourth Proportional to 12,857.56, 19,304.18 and 6,622.02

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Solution

The fourth proportional to 12,857.56, 19,304.18 and 6,622.02 is: 9,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857.56 : 19,304.18 = 6,622.02 : x
  2. Step 2: Convert to fraction form
    12,857.56/19,304.18 = 6,622.02/x
  3. Step 3: Cross multiply
    12,857.56x = 19,304.18 × 6,622.02
  4. Step 4: Simplify right side
    12,857.56x = 127,832,666.04
  5. Step 5: Solve for x
    x = 127,832,666.04/12,857.56
  6. Step 6: Final answer
    x = 9,942.22

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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.