Home / 13,962.49-19,267.74-7,989.94

Finding the Fourth Proportional to 13,962.49, 19,267.74 and 7,989.94

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Solution

The fourth proportional to 13,962.49, 19,267.74 and 7,989.94 is: 11,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.49 : 19,267.74 = 7,989.94 : x
  2. Step 2: Convert to fraction form
    13,962.49/19,267.74 = 7,989.94/x
  3. Step 3: Cross multiply
    13,962.49x = 19,267.74 × 7,989.94
  4. Step 4: Simplify right side
    13,962.49x = 153,948,110.62
  5. Step 5: Solve for x
    x = 153,948,110.62/13,962.49
  6. Step 6: Final answer
    x = 11,025.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.