Home / 12,983.85-19,461.87-9,274.83

Finding the Fourth Proportional to 12,983.85, 19,461.87 and 9,274.83

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Solution

The fourth proportional to 12,983.85, 19,461.87 and 9,274.83 is: 13,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.85 : 19,461.87 = 9,274.83 : x
  2. Step 2: Convert to fraction form
    12,983.85/19,461.87 = 9,274.83/x
  3. Step 3: Cross multiply
    12,983.85x = 19,461.87 × 9,274.83
  4. Step 4: Simplify right side
    12,983.85x = 180,505,462.75
  5. Step 5: Solve for x
    x = 180,505,462.75/12,983.85
  6. Step 6: Final answer
    x = 13,902.31

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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.